--- a/image/test/reftest/downscaling/reftest.list
+++ b/image/test/reftest/downscaling/reftest.list
@@ -21,20 +21,20 @@
 # Also note that Mac OS X has its own system-level downscaling algorithm, so
 # tests here may need Mac-specific "fuzzy-if(cocoaWidget,...)" annotations.
 # Similarly, modern versions of Windows have slightly different downscaling
 # behavior than other platforms, and may require "fuzzy-if(winWidget,...)".
 
 
 # RUN TESTS NOT AFFECTED BY DOWNSCALE-DURING-DECODE:
 # ==================================================
-fuzzy-if(skiaContent,14,416) fuzzy-if(webrender,102-102,396-396) fails-if(webrender&&winWidget) == downscale-svg-1a.html downscale-svg-1-ref.html?80
-fuzzy(80,468) fuzzy-if(webrender,65-65,579-579) fails-if(webrender&&winWidget) == downscale-svg-1b.html downscale-svg-1-ref.html?72
+fuzzy-if(skiaContent,14,416) fuzzy-if(webrender,102-102,396-472) == downscale-svg-1a.html downscale-svg-1-ref.html?80
+fuzzy(80,468) fuzzy-if(webrender,65-65,579-580) == downscale-svg-1b.html downscale-svg-1-ref.html?72
 fuzzy-if(/^Windows\x20NT\x2010\.0/.test(http.oscpu),1,62) fuzzy-if(skiaContent,8,292) fuzzy-if(webrender,14-14,316-316) == downscale-svg-1c.html downscale-svg-1-ref.html?64
-fuzzy(17,208) fuzzy-if(webrender,83-83,325-325) fails-if(webrender&&winWidget) == downscale-svg-1d.html downscale-svg-1-ref.html?53
+fuzzy(17,208) fuzzy-if(webrender,83-84,274-325) == downscale-svg-1d.html downscale-svg-1-ref.html?53
 fuzzy(80,216) fuzzy-if(skiaContent,110,181) fuzzy-if(webrender,84-84,216-216) == downscale-svg-1e.html downscale-svg-1-ref.html?40
 fuzzy(51,90) fuzzy-if(skiaContent,142,77) fuzzy-if(webrender,62-62,98-98) == downscale-svg-1f.html downscale-svg-1-ref.html?24
 
 # RUN TESTS WITH DOWNSCALE-DURING-DECODE DISABLED:
 # ================================================
 default-preferences pref(image.downscale-during-decode.enabled,false)
 
 fuzzy-if(winWidget,16,20) fuzzy-if(cocoaWidget,106,31) == downscale-1.html downscale-1-ref.html

--- a/layout/reftests/backgrounds/gradient/reftest.list
+++ b/layout/reftests/backgrounds/gradient/reftest.list
@@ -1,3 +1,3 @@
 == scaled-color-stop-position.html scaled-color-stop-position-ref.html
 == color-stop-clamp-interpolation.html color-stop-clamp-interpolation-ref.html
-fails-if(webrender&&winWidget) == linear-gradient-repeated.html linear-gradient-repeated-ref.html
+fuzzy-if(webrender&&winWidget,2-2,72-72) == linear-gradient-repeated.html linear-gradient-repeated-ref.html

--- a/layout/reftests/backgrounds/reftest.list
+++ b/layout/reftests/backgrounds/reftest.list
@@ -173,15 +173,15 @@ fuzzy(80,500) fuzzy-if(skiaContent,109,9
 
 fuzzy-if(skiaContent,1,8) fuzzy-if(webrender,1,84) == background-multiple-with-border-radius.html background-multiple-with-border-radius-ref.html
 == background-repeat-large-area.html background-repeat-large-area-ref.html
 
 fuzzy(30,474) fuzzy-if(skiaContent,31,474) == background-tiling-zoom-1.html background-tiling-zoom-1-ref.html
 
 skip-if(!cocoaWidget) == background-repeat-resampling.html background-repeat-resampling-ref.html
 
-fuzzy-if(winWidget,102,2032) fuzzy-if(skiaContent,102,2811) fails-if(webrender&&winWidget) == background-clip-text-1a.html background-clip-text-1-ref.html
-fuzzy-if(winWidget,102,2032) fuzzy-if(skiaContent,102,2811) fails-if(webrender&&winWidget) == background-clip-text-1b.html background-clip-text-1-ref.html
-fuzzy-if(winWidget,102,2032) fuzzy-if(skiaContent,102,2811) fails-if(webrender&&winWidget) == background-clip-text-1c.html background-clip-text-1-ref.html
-fuzzy-if(winWidget,102,2032) fuzzy-if(skiaContent,102,2811) fails-if(webrender&&winWidget) == background-clip-text-1d.html background-clip-text-1-ref.html
-fuzzy-if(winWidget,102,2032) fuzzy-if(skiaContent,102,2811) fails-if(webrender&&winWidget) == background-clip-text-1e.html background-clip-text-1-ref.html
+fuzzy-if(winWidget,102,2032) fuzzy-if(skiaContent,102,2811) fuzzy-if(webrender&&winWidget,153-153,2866-2866) == background-clip-text-1a.html background-clip-text-1-ref.html
+fuzzy-if(winWidget,102,2032) fuzzy-if(skiaContent,102,2811) fuzzy-if(webrender&&winWidget,153-153,2866-2866) == background-clip-text-1b.html background-clip-text-1-ref.html
+fuzzy-if(winWidget,102,2032) fuzzy-if(skiaContent,102,2811) fuzzy-if(webrender&&winWidget,153-153,2866-2866) == background-clip-text-1c.html background-clip-text-1-ref.html
+fuzzy-if(winWidget,102,2032) fuzzy-if(skiaContent,102,2811) fuzzy-if(webrender&&winWidget,153-153,2866-2866) == background-clip-text-1d.html background-clip-text-1-ref.html
+fuzzy-if(winWidget,102,2032) fuzzy-if(skiaContent,102,2811) fuzzy-if(webrender&&winWidget,153-153,2866-2866) == background-clip-text-1e.html background-clip-text-1-ref.html
 
 == background-clip-text-2.html background-clip-text-2-ref.html

--- a/layout/reftests/border-image/reftest.list
+++ b/layout/reftests/border-image/reftest.list
@@ -6,18 +6,18 @@
 # This is fuzzy temporarily until bug 1044702 makes it possible to use source
 # clipping on Windows. (Any other fix would have a significant perf cost.)
 fuzzy-if(winWidget,1,1) == multicolor-image-2.html multicolor-image-2-ref.html
 == multicolor-image-3.html multicolor-image-3-ref.html
 == multicolor-image-4.html multicolor-image-4-ref.html
 == multicolor-image-5.html multicolor-image-5-ref.html
 == transparent-image-1.html transparent-image-1-ref.html
 != repeat-image-1.html repeat-image-1-ref.html
-fuzzy-if(webrender,15-15,975-975) fails-if(webrender&&winWidget) == 470250-1.html 470250-1-ref.html
-fuzzy-if(webrender,15-15,975-975) fails-if(webrender&&winWidget) == 470250-2.html 470250-2-ref.html
+fuzzy-if(webrender,15-15,975-986) == 470250-1.html 470250-1-ref.html
+fuzzy-if(webrender,15-15,975-986) == 470250-2.html 470250-2-ref.html
 != different-h-v-1.html different-h-v-ref.html
 != different-h-v-2.html different-h-v-ref.html
 != different-h-v-1.html different-h-v-2.html
 == center-scaling-1.html center-scaling-1-ref.html
 fails-if(Android) fails-if(usesRepeatResampling) == center-scaling-2.html center-scaling-2-ref.html # Android: very different scaling (blurriness) on some sides
 fails-if(Android) fails-if(usesRepeatResampling) == center-scaling-3.html center-scaling-3-ref.html # Android: very different scaling (blurriness) on some sides
 == center-scaling-4t.html center-scaling-4t-ref.html
 == center-scaling-4r.html center-scaling-4r-ref.html
@@ -38,48 +38,48 @@ fails-if(Android) fails-if(usesRepeatRes
 == border-image-outset-resize-1.html border-image-outset-resize-1-ref.html
 fuzzy-if(asyncPan&&!layersGPUAccelerated,140,514) fuzzy-if(winWidget&&stylo,144,448) == border-image-outset-move-1.html border-image-outset-move-1-ref.html
 == border-image-style-none.html border-image-style-none-ref.html
 == border-image-style-none-length.html border-image-style-none-length-ref.html
 == border-image-style-none-auto.html border-image-style-none-auto-ref.html
 
 # border images with gradients
 fuzzy-if(webrender,1-1,1488-1804) == border-image-linear-gradient.html border-image-linear-gradient-ref.html
-fuzzy(1,98) fuzzy-if(skiaContent,1,350) fuzzy-if(webrender,1-1,37537-37537) fails-if(webrender&&winWidget) == border-image-linear-gradient-slice-1.html border-image-linear-gradient-slice-1-ref.html
-fuzzy(1,149) fuzzy-if(OSX,1,10595) fuzzy-if(webrender,1,25007) fails-if(webrender&&winWidget) == border-image-linear-gradient-slice-2.html border-image-linear-gradient-slice-2-ref.html
-fuzzy(1,433) fuzzy-if(skiaContent,1,2500) fuzzy-if(webrender,1,85584) fails-if(webrender&&winWidget) == border-image-linear-gradient-slice-fill-1.html border-image-linear-gradient-slice-fill-1-ref.html
-fuzzy(1,177) fuzzy-if(OSX,1,25771) fuzzy-if(skiaContent&&!Android,1,400) fuzzy-if(Android,1,6093) fuzzy-if(webrender,1,57412) fails-if(webrender&&winWidget) == border-image-linear-gradient-slice-fill-2.html border-image-linear-gradient-slice-fill-2-ref.html
-fuzzy(1,48)  fuzzy-if(OSX,5,1676) fuzzy-if(webrender,1,4479) fails-if(webrender&&winWidget) == border-image-linear-gradient-width.html border-image-linear-gradient-width-ref.html
-fuzzy(1,5000) fuzzy-if(OSX,1,15000) fuzzy-if(webrender,2,58670) == border-image-linear-gradient-slice-width.html border-image-linear-gradient-slice-width-ref.html
-fuzzy(1,3000) fuzzy-if(OSX,1,6000) fuzzy-if(webrender,1,26302) fails-if(webrender&&winWidget) == border-image-linear-gradient-outset.html border-image-linear-gradient-outset-ref.html
-fuzzy(1,12) fuzzy-if(skiaContent,1,400) fuzzy-if(webrender,1-1,26872-26872) fails-if(webrender&&winWidget) == border-image-linear-gradient-repeat-repeat-1.html border-image-linear-gradient-repeat-repeat-1-ref.html
-fuzzy(1,13) fuzzy-if(skiaContent,1,300) fuzzy-if(webrender,1-1,27131-27131) fails-if(webrender&&winWidget) == border-image-linear-gradient-repeat-round-1.html border-image-linear-gradient-repeat-round-1-ref.html
-fuzzy-if(webrender,1-1,65098-65098) fails-if(webrender&&winWidget) == border-image-linear-gradient-repeat-repeat-2.html border-image-linear-gradient-repeat-repeat-2-ref.html
-fuzzy(1,576) fuzzy-if(skiaContent,1,2000) fuzzy-if(webrender,1-1,64806-64806) fails-if(webrender&&winWidget) == border-image-linear-gradient-repeat-round-2.html border-image-linear-gradient-repeat-round-2-ref.html
-fuzzy(1,8533) fuzzy-if(webrender,1,85925) fails-if(webrender&&winWidget) == border-image-linear-gradient-repeat-repeat-3.html border-image-linear-gradient-repeat-repeat-3-ref.html
-fuzzy(1,7161) fuzzy-if(webrender,2,107112) fails-if(webrender&&winWidget) == border-image-linear-gradient-repeat-round-3.html border-image-linear-gradient-repeat-round-3-ref.html
+fuzzy(1,98) fuzzy-if(skiaContent,1,350) fuzzy-if(webrender,1-2,37234-37537) == border-image-linear-gradient-slice-1.html border-image-linear-gradient-slice-1-ref.html
+fuzzy(1,149) fuzzy-if(OSX,1,10595) fuzzy-if(webrender,1-3,24999-25007) == border-image-linear-gradient-slice-2.html border-image-linear-gradient-slice-2-ref.html
+fuzzy(1,433) fuzzy-if(skiaContent,1,2500) fuzzy-if(webrender,1-3,84860-85584) == border-image-linear-gradient-slice-fill-1.html border-image-linear-gradient-slice-fill-1-ref.html
+fuzzy(1,177) fuzzy-if(OSX,1,25771) fuzzy-if(skiaContent&&!Android,1,400) fuzzy-if(Android,1,6093) fuzzy-if(webrender,1-3,57249-57412) == border-image-linear-gradient-slice-fill-2.html border-image-linear-gradient-slice-fill-2-ref.html
+fuzzy(1,48)  fuzzy-if(OSX,5,1676) fuzzy-if(webrender,1-1,4479-4530) == border-image-linear-gradient-width.html border-image-linear-gradient-width-ref.html
+fuzzy(1,5000) fuzzy-if(OSX,1,15000) fuzzy-if(webrender,2-2,58629-58667) == border-image-linear-gradient-slice-width.html border-image-linear-gradient-slice-width-ref.html
+fuzzy(1,3000) fuzzy-if(OSX,1,6000) fuzzy-if(webrender,1-1,26067-26353) == border-image-linear-gradient-outset.html border-image-linear-gradient-outset-ref.html
+fuzzy(1,12) fuzzy-if(skiaContent,1,400) fuzzy-if(webrender,1-2,26394-26872) == border-image-linear-gradient-repeat-repeat-1.html border-image-linear-gradient-repeat-repeat-1-ref.html
+fuzzy(1,13) fuzzy-if(skiaContent,1,300) fuzzy-if(webrender,1-2,26265-27131) == border-image-linear-gradient-repeat-round-1.html border-image-linear-gradient-repeat-round-1-ref.html
+fuzzy-if(webrender,1-2,65098-66334) == border-image-linear-gradient-repeat-repeat-2.html border-image-linear-gradient-repeat-repeat-2-ref.html
+fuzzy(1,576) fuzzy-if(skiaContent,1,2000) fuzzy-if(webrender,1-2,64806-66821) == border-image-linear-gradient-repeat-round-2.html border-image-linear-gradient-repeat-round-2-ref.html
+fuzzy(1,8533) fuzzy-if(webrender,1-2,84604-85925) == border-image-linear-gradient-repeat-repeat-3.html border-image-linear-gradient-repeat-repeat-3-ref.html
+fuzzy(1,7161) fuzzy-if(webrender,2-3,92540-92746) == border-image-linear-gradient-repeat-round-3.html border-image-linear-gradient-repeat-round-3-ref.html
 
 fuzzy-if(webrender,1,2096) == border-image-radial-gradient.html border-image-radial-gradient-ref.html
 fuzzy(1,42) fuzzy-if(skiaContent,2,20) fuzzy-if(webrender,1,37818) == border-image-radial-gradient-slice-1.html border-image-radial-gradient-slice-1-ref.html
 fuzzy(1,46) fuzzy-if(OSX,2,4472) fuzzy-if(webrender,1,26363) == border-image-radial-gradient-slice-2.html border-image-radial-gradient-slice-2-ref.html
 fuzzy(1,105) fuzzy-if(webrender,1,90873) == border-image-radial-gradient-slice-fill-1.html border-image-radial-gradient-slice-fill-1-ref.html
 fuzzy(1,139) fuzzy-if(OSX,2,4478) fuzzy-if(skiaContent,2,120) fuzzy-if(webrender,1,61729) == border-image-radial-gradient-slice-fill-2.html border-image-radial-gradient-slice-fill-2-ref.html
 fuzzy-if(skiaContent,1,2) fuzzy-if(webrender,1,4894) == border-image-radial-gradient-width.html border-image-radial-gradient-width-ref.html
 fuzzy(1,9000) fuzzy-if(webrender,3,66698) == border-image-radial-gradient-slice-width.html border-image-radial-gradient-slice-width-ref.html
 
 # OS X failures tracked in bug 957025
-fuzzy-if(webrender,1-1,1766-1766) fails-if(webrender&&winWidget) == border-image-repeating-linear-gradient.html border-image-repeating-linear-gradient-ref.html
+fuzzy-if(webrender,1-1,1766-1800) == border-image-repeating-linear-gradient.html border-image-repeating-linear-gradient-ref.html
 fuzzy(1,5608) fails-if(OSX) fuzzy-if(skiaContent,1,6093) fuzzy-if(webrender,3,95449) == border-image-repeating-linear-gradient-slice-fill-2.html border-image-repeating-linear-gradient-slice-fill-2-ref.html
 fuzzy(1,19200) fails-if(OSX) fuzzy-if(skiaContent,3,20000) fuzzy-if(webrender,3-3,18896-18896) fuzzy-if(webrender,2,112082) == border-image-repeating-linear-gradient-repeat-round-2.html border-image-repeating-linear-gradient-repeat-round-2-ref.html
 
 fuzzy(1,657) fuzzy-if(webrender,3,3008) == border-image-repeating-radial-gradient.html border-image-repeating-radial-gradient-ref.html
 fuzzy(1,510) fuzzy-if(skiaContent,3,362) fuzzy-if(webrender,3,62078) == border-image-repeating-radial-gradient-slice-1.html border-image-repeating-radial-gradient-slice-1-ref.html
 fuzzy(1,438) fuzzy-if(skiaContent,3,437) fuzzy-if(webrender,3,40536) == border-image-repeating-radial-gradient-slice-2.html border-image-repeating-radial-gradient-slice-2-ref.html
-fuzzy(1,1357) fuzzy-if(skiaContent,3,964) fuzzy-if(webrender,3,143220) fails-if(webrender&&winWidget) == border-image-repeating-radial-gradient-slice-fill-1.html border-image-repeating-radial-gradient-slice-fill-1-ref.html
-fuzzy(1,1058) fails-if(OSX) fuzzy-if(skiaContent,3,887) fuzzy-if(webrender,3,94677) fails-if(webrender&&winWidget) == border-image-repeating-radial-gradient-slice-fill-2.html border-image-repeating-radial-gradient-slice-fill-2-ref.html
+fuzzy(1,1357) fuzzy-if(skiaContent,3,964) fuzzy-if(webrender,1-4,85742-85800) == border-image-repeating-radial-gradient-slice-fill-1.html border-image-repeating-radial-gradient-slice-fill-1-ref.html
+fuzzy(1,1058) fails-if(OSX) fuzzy-if(skiaContent,3,887) fuzzy-if(webrender,1-4,57087-57193) == border-image-repeating-radial-gradient-slice-fill-2.html border-image-repeating-radial-gradient-slice-fill-2-ref.html
 fuzzy(1,602) fuzzy-if(webrender,3,7441) == border-image-repeating-radial-gradient-width.html border-image-repeating-radial-gradient-width-ref.html
 fuzzy(3,18000) fails-if(OSX) fuzzy-if(skiaContent,4,16462) fuzzy-if(webrender,5,99728) == border-image-repeating-radial-gradient-slice-width.html border-image-repeating-radial-gradient-slice-width-ref.html
 fuzzy-if(webrender,3,117768) == border-image-repeating-radial-gradient-repeat-repeat-2.html border-image-repeating-radial-gradient-repeat-repeat-2-ref.html
 fuzzy(1,1054) fails-if(OSX) fuzzy-if(skiaContent,2,952) fuzzy-if(webrender,3,116185) == border-image-repeating-radial-gradient-repeat-round-2.html border-image-repeating-radial-gradient-repeat-round-2-ref.html
 
 # border-image-source (-moz-)element
 fuzzy(125,5808) == border-image-element.html border-image-element-ref.html
 

--- a/layout/reftests/box-shadow/reftest.list
+++ b/layout/reftests/box-shadow/reftest.list
@@ -6,17 +6,17 @@ random != boxshadow-blur-2.html boxshado
 == boxshadow-multiple.html boxshadow-multiple-ref.html
 == boxshadow-spread.html boxshadow-spread-ref.html
 == tableboxshadow-basic.html tableboxshadow-basic-ref.html
 == tableboxshadow-trshadow.html tableboxshadow-trshadow-ref.html
 == tableboxshadow-tdshadow.html tableboxshadow-tdshadow-ref.html
 == boxshadow-rounding.html boxshadow-rounding-ref.html
 # One uses old path, one uses WR box shadow.
 fails-if(Android) == boxshadow-button.html boxshadow-button-ref.html
-fuzzy-if(OSX==1010,1,24) fuzzy-if(d2d,16,999) fuzzy-if(skiaContent,1,12) fuzzy-if(webrender,7-7,1560-1680) fails-if(webrender&&winWidget) == boxshadow-large-border-radius.html boxshadow-large-border-radius-ref.html # Bug 1209649
+fuzzy-if(OSX==1010,1,24) fuzzy-if(d2d,16,999) fuzzy-if(skiaContent,1,12) fuzzy-if(webrender,5-7,1560-1680) == boxshadow-large-border-radius.html boxshadow-large-border-radius-ref.html # Bug 1209649
 
 fails-if(Android) == boxshadow-fileupload.html boxshadow-fileupload-ref.html
 fuzzy-if(/^Windows\x20NT\x2010\.0/.test(http.oscpu),98,152) fuzzy-if(skiaContent,13,28) fuzzy-if(webrender,19-19,50-50) == boxshadow-inner-basic.html boxshadow-inner-basic-ref.svg
 random-if(layersGPUAccelerated) == boxshadow-mixed.html boxshadow-mixed-ref.html
 == boxshadow-mixed-2.html boxshadow-mixed-2-ref.html
 random-if(d2d) fuzzy-if(skiaContent,1,100) fuzzy-if(webrender,127,3528) == boxshadow-rounded-spread.html boxshadow-rounded-spread-ref.html
 fuzzy-if(skiaContent,1,50) == boxshadow-dynamic.xul boxshadow-dynamic-ref.xul
 random-if(d2d) == boxshadow-onecorner.html boxshadow-onecorner-ref.html

--- a/layout/reftests/bugs/reftest.list
+++ b/layout/reftests/bugs/reftest.list
@@ -407,17 +407,17 @@ fuzzy-if(Android,2,18) == 315920-17.html
 == 315920-28c.html 315920-28-ref.html
 == 315920-29a.html 315920-29-ref.html
 == 315920-29b.html 315920-29-ref.html
 == 315920-30.html 315920-30-ref.html
 == 316057-1.html 316057-1-ref.html
 == 320979-1.html 320979-1-ref.html
 != 321402-1.html about:blank
 != 321402-2.html about:blank
-fails-if(webrender&&winWidget) == 321402-3.xul 321402-3-ref.xul
+fuzzy-if(webrender&&winWidget,35-35,1-1) == 321402-3.xul 321402-3-ref.xul
 == 321402-4.xul 321402-4-ref.xul
 == 321402-5.xul 321402-5-ref.xul
 == 321402-6.xul 321402-6-ref.xul
 == 321738-1.html 321738-1-ref.html
 == 322436-1.html 322436-1-ref.html
 == 322461-1.xml 322461-1-ref.html
 == 323656-1.html 323656-1-ref.html
 == 323656-2.html 323656-2-ref.html
@@ -551,19 +551,19 @@ fuzzy-if(skiaContent,2,4) == 362594-2c.h
 skip-if(Android) == 363706-1.html 363706-1-ref.html
 != 363706-1.html about:blank
 == 363728-1.html 363728-1-ref.html
 == 363728-2.html 363728-2-ref.html
 fuzzy-if(skiaContent||Android,4,11) == 363858-1.html 363858-1-ref.html
 == 363858-2.html 363858-2-ref.html
 == 363858-3.html 363858-3-ref.html
 == 363858-4.html 363858-4-ref.html
-# fuzzy-if(OSX,45,2) fuzzy-if(winWidget,114,1) fails-if(webrender&&winWidget) == 363858-5a.html 363858-5-ref.html # bug 1452797
+# fuzzy-if(OSX,45,2) fuzzy-if(winWidget,116,1) == 363858-5a.html 363858-5-ref.html # bug 1452797
 == 363858-5b.html 363858-5-ref.html
-# fuzzy-if(OSX,45,2) fuzzy-if(winWidget,114,1) fails-if(webrender&&winWidget) == 363858-6a.html 363858-6-ref.html # bug 1452797
+# fuzzy-if(OSX,45,2) fuzzy-if(winWidget,116,1) == 363858-6a.html 363858-6-ref.html # bug 1452797
 == 363858-6b.html 363858-6-ref.html
 == 363874.html 363874-ref.html
 == 363874-max-width.html 363874-max-width-ref.html
 == 364066-1.html 364066-1-ref.html
 == 364079-1.html 364079-1-ref.html
 == 364318-1.xhtml 364318-1-ref.xhtml
 == 364861-1.html 364861-1-ref.html
 == 364862-1.html 364862-1-ref.html
@@ -649,17 +649,17 @@ fails-if(Android&&!asyncPan) == 371561-1
 == 371925-1b.html 371925-1-ref.html
 == 372037-1.html 372037-1-ref.html
 == 372062-1.html 372062-1-ref.html
 == 372063-1.html 372063-1-ref.html
 == 372323-1.xhtml 372323-1-ref.xhtml
 == 372553-1.html 372553-1-ref.html
 == 372632-1.html 372632-1-ref.html
 == 372768-1.html 372768-1-ref.html
-fails-if(webrender&&winWidget) == 373295-1.html 373295-1-ref.html
+fuzzy-if(webrender&&winWidget,83-83,2-2) == 373295-1.html 373295-1-ref.html
 == 373298-1.html 373298-1-ref.html
 == 373381-1.html 373381-1-ref.html
 fuzzy-if(skiaContent&&!Android,2,40) == 373381-2.html 373381-2-ref.html
 random-if(d2d) == 373381-3.html 373381-3-ref.html
 == 373381-4.html 373381-4-ref.html
 == 373383-1.html 373383-1-ref.html
 == 373433-1.html 373433-1-ref.html
 == 373533-1.xhtml about:blank
@@ -723,18 +723,18 @@ fuzzy-if(skiaContent,2,5) == 381507-1.ht
 == 383883-4.html 383883-4-ref.html
 == 383884-1.html 383884-1-ref.html
 == 383885-1.html 383885-1-ref.html
 == 384322-1.html 384322-1-ref.html
 == 384576-1.html 384576-1-ref.html
 == 384762-1.html about:blank
 == 384876-1.html 384876-1-ref.html
 == 385533-1.html about:blank # assertion test
-fails-if(webrender&&winWidget) == 385569-1a.html 385569-1-ref.html
-fails-if(webrender&&winWidget) == 385569-1b.html 385569-1-ref.html
+fuzzy-if(webrender&&winWidget,137-137,303-303) == 385569-1a.html 385569-1-ref.html
+fuzzy-if(webrender&&winWidget,137-137,303-303) == 385569-1b.html 385569-1-ref.html
 == 385607-1.html 385607-1-ref.html
 == 385823-1.html 385823-1-ref.html
 fuzzy-if(webrender,0-1,0-600) == 385823-2a.html 385823-2-ref.html
 fails == 385823-2b.html 385823-2-ref.html
 fuzzy-if(webrender,0-1,0-600) == 385823-2c.html 385823-2-ref.html
 fuzzy-if(skiaContent,2,11) == 385870-1.html 385870-1-ref.html
 fuzzy-if(skiaContent,2,3) == 385870-2.html 385870-2-ref.html
 == 386014-1a.html 386014-1-ref.html
@@ -936,17 +936,17 @@ fuzzy-if(Android,13,9) == 407111-1.html 
 == 409089-2.html 409089-2-ref.html
 == 409089-3.html 409089-3-ref.html
 fuzzy-if(winWidget,123,1600) == 409659-1a.html 409659-1-ref.html  # Bug 1128229
 != 409659-1b.html 409659-1-ref.html
 != 409659-1c.html 409659-1-ref.html
 fuzzy-if(winWidget,123,1900) == 409659-1d.html 409659-1-ref.html  # Bug 1128229
 == 410621-1.html 410621-1-ref.html
 == 411059-1.html 411059-1-ref.html
-fails-if(webrender&&winWidget) == 411334-1.xml 411334-1-ref.xml
+fuzzy-if(webrender&&winWidget,129-129,770-770) == 411334-1.xml 411334-1-ref.xml
 == 411367-1.html 411367-1-ref.html
 == 411367-2.html 411367-2-ref.html
 == 411367-3.html 411367-3-ref.html
 == 411585-1.html 411585-1-ref.html
 == 411585-2.html 411585-2-ref.html
 fails == 411585-3.html 411585-3-ref.html # bug 426909
 == 411792-1.html 411792-1-ref.html
 == 412093-1.html 412093-1-ref.html
@@ -997,17 +997,17 @@ asserts(1) == 418574-2.html 418574-2-ref
 == 420069-2.html 420069-2-ref.html
 == 420351-1.html 420351-1-ref.html
 == 420790-1.xhtml 420790-1-ref.xhtml
 == 421069.html 421069-ref.html
 == 421069.html 421069-ref2.html
 == 421069-ref.html 421069-ref2.html
 == 421203-1.xul 421203-1-ref.html
 == 421203-2.xul 421203-1-ref.html
-fails-if(webrender&&winWidget) == 421203-3.xul 321402-3-ref.xul
+fuzzy-if(webrender&&winWidget,35-35,1-1) == 421203-3.xul 321402-3-ref.xul
 == 421203-4.xul 321402-4-ref.xul
 == 421203-5.xul 321402-5-ref.xul
 == 421203-6.xul 321402-6-ref.xul
 == 421234-1.html 421234-1-ref.html
 == 421239-1.html 421239-1-ref.html
 == 421239-2.html 421239-2-ref.html
 == 421419-1.html 421419-1-ref.html
 == 421436-1a.html 421436-1-ref.html
@@ -1190,17 +1190,17 @@ fuzzy-if(webrender,4,361) == 449519-1.ht
 == 452915-1.html 452915-1-ref.html
 == 452964-1.html 452964-1-ref.html
 == 454361.html about:blank
 == 455105-1.html 455105-ref.html
 == 455105-2.html 455105-ref.html
 == 455171-5.html 455171-5-ref.html
 == 455280-1.xhtml 455280-1-ref.xhtml
 == 455826-1.html 455826-1-ref.html
-fails-if(Android||cocoaWidget) fails-if(webrender&&winWidget) == 456147.xul 456147-ref.html # bug 458047
+fails-if(Android||cocoaWidget) fuzzy-if(webrender&&winWidget,222-222,2806-2806) == 456147.xul 456147-ref.html # bug 458047
 fuzzy-if(Android,11,41) fuzzy-if(winWidget||gtkWidget,4,6) fuzzy-if(d2d,15,69) fuzzy-if(skiaContent,42,150) == 456219-1a.html 456219-1-ref.html # bug 1128229
 fuzzy-if(Android,11,41) fuzzy-if(winWidget||gtkWidget,4,6) fuzzy-if(d2d,15,69) fuzzy-if(skiaContent,42,150) == 456219-1b.html 456219-1-ref.html # bug 1128229
 fuzzy-if(Android,11,41) fuzzy-if(winWidget||gtkWidget,4,6) fuzzy-if(d2d,15,69) fuzzy-if(skiaContent,42,150) == 456219-1c.html 456219-1-ref.html # bug 1128229
 fuzzy-if(skiaContent,1,45) == 456219-2.html 456219-2-ref.html
 == 456330-1.gif 456330-1-ref.png
 == 456484-1.html 456484-1-ref.html
 == 457398-1.html 457398-1-ref.html
 == 457398-2.html 457398-2-ref.html
@@ -1228,17 +1228,17 @@ fuzzy-if(skiaContent,1,5) == 459443-1.ht
 == 460012-1.html 460012-1-ref.html
 == 461266-1.html 461266-1-ref.html
 fuzzy-if(skiaContent,1,12000) fails-if(webrender) == 461512-1.html 461512-1-ref.html # bug 1382896 for webrender
 == 462844-1.html 462844-ref.html
 == 462844-2.html 462844-ref.html
 == 462844-3.html 462844-ref.html
 == 462844-4.html 462844-ref.html
 == 463204-1.html 463204-1-ref.html
-fuzzy-if(webrender,16-16,3425-3425) fails-if(webrender&&winWidget) == 463217-1.xul 463217-1-ref.xul
+fuzzy-if(webrender,16-16,3425-3483) == 463217-1.xul 463217-1-ref.xul
 == 463952-1.html 463952-1-ref.html
 == 464811-1.html 464811-1-ref.html
 == 465574-1.html 465574-1-ref.html # bug 421436
 == 466258-1.html 466258-1-ref.html
 == 466395-1.html 466395-1-ref.html
 == 466395-2.html 466395-2-ref.html
 == 467084-1.html 467084-1-ref.html
 == 467084-2.html 467084-2-ref.html
@@ -1682,17 +1682,17 @@ HTTP == 652991-3.html 652991-3-ref.html
 HTTP == 652991-4.html 652991-4-ref.html
 fuzzy-if(skiaContent,1,5) == 653930-1.html 653930-1-ref.html
 == 654057-1.html 654057-1-ref.html
 fuzzy-if(skiaContent,1,4500) == 654950-1.html 654950-1-ref.html # Quartz alpha blending doesn't match GL alpha blending
 == 655549-1.html 655549-1-ref.html
 == 655836-1.html 655836-1-ref.html
 != 656875.html about:blank
 == 658952.html 658952-ref.html
-fuzzy-if(skiaContent,7,3500) fails-if(webrender&&winWidget) == 660682-1.html 660682-1-ref.html
+fuzzy-if(skiaContent,7,3500) fuzzy-if(webrender&&winWidget,37-37,777-777) == 660682-1.html 660682-1-ref.html
 fuzzy-if(d2d,1,256) skip-if(Android) fuzzy-if(skiaContent,1,68000) == 664127-1.xul 664127-1-ref.xul # Android: Intermittent failures - bug 1019131
 == 665597-1.html 665597-1-ref.html
 == 665597-2.html 665597-2-ref.html
 == 667079-1.html 667079-1-ref.html
 == 668319-1.xul about:blank
 != 669015-1.xul 669015-1-notref.xul
 skip-if(azureSkiaGL) == 670442-1.html 670442-1-ref.html
 == 670467-1.html 670467-1-ref.html

--- a/layout/reftests/css-blending/reftest.list
+++ b/layout/reftests/css-blending/reftest.list
@@ -1,13 +1,13 @@
 pref(layout.css.mix-blend-mode.enabled,true) == blend-canvas.html blend-canvas-ref.html
 pref(layout.css.mix-blend-mode.enabled,true) == blend-constant-background-color.html blend-constant-background-color-ref.html
 pref(layout.css.mix-blend-mode.enabled,true) fuzzy-if(webrender,1-1,1411-7875) == blend-gradient-background-color.html blend-gradient-background-color-ref.html
 pref(layout.css.mix-blend-mode.enabled,true) == blend-image.html blend-image-ref.html
-pref(layout.css.mix-blend-mode.enabled,true) fails-if(webrender&&winWidget) == blend-difference-stacking.html blend-difference-stacking-ref.html
+pref(layout.css.mix-blend-mode.enabled,true) fuzzy-if(webrender&&winWidget,36-36,4-4) == blend-difference-stacking.html blend-difference-stacking-ref.html
 
 fuzzy-if(/^Windows\x20NT\x2010\.0/.test(http.oscpu),1,10000) fuzzy-if(skiaContent,1,30000) pref(layout.css.background-blend-mode.enabled,true) == background-blending-alpha.html background-blending-alpha-ref.html
 pref(layout.css.background-blend-mode.enabled,true) fuzzy-if(webrender,1-1,1411-7875) == background-blending-gradient-color.html background-blending-gradient-color-ref.html
 fuzzy-if(azureSkiaGL,3,7597) fuzzy-if(cocoaWidget,3,7597) fuzzy-if(d2d,1,3800) fuzzy-if(d3d11,1,4200) fuzzy-if(skiaContent,2,9450) fuzzy-if(webrender,1-1,3938-23625) pref(layout.css.background-blend-mode.enabled,true) == background-blending-gradient-gradient.html background-blending-gradient-gradient-ref.html
 fuzzy-if(azureSkiaGL,2,7174) fuzzy-if(webrender,1-1,1312-7875) pref(layout.css.background-blend-mode.enabled,true) == background-blending-gradient-image.html background-blending-gradient-color-ref.html
 fuzzy-if(azureSkia||d2d||gtkWidget,1,10000) pref(layout.css.background-blend-mode.enabled,true) == background-blending-image-color-jpg.html background-blending-image-color-ref.html
 pref(layout.css.background-blend-mode.enabled,true) == background-blending-image-color-png.html background-blending-image-color-ref.html
 pref(layout.css.background-blend-mode.enabled,true) == background-blending-image-color-svg.html background-blending-image-color-ref.html

--- a/layout/reftests/css-break/reftest.list
+++ b/layout/reftests/css-break/reftest.list
@@ -1,12 +1,12 @@
 default-preferences pref(layout.css.box-decoration-break.enabled,true)
 
 == box-decoration-break-1.html box-decoration-break-1-ref.html
-fuzzy(1,20) fuzzy-if(skiaContent,1,700) fuzzy-if(webrender,21-21,12245-12245) fails-if(webrender&&winWidget) == box-decoration-break-with-inset-box-shadow-1.html box-decoration-break-with-inset-box-shadow-1-ref.html
+fuzzy(1,20) fuzzy-if(skiaContent,1,700) fuzzy-if(webrender,21-21,12245-12245) fuzzy-if(webrender&&winWidget,26-26,9123-9123) == box-decoration-break-with-inset-box-shadow-1.html box-decoration-break-with-inset-box-shadow-1-ref.html
 fuzzy(45,460) fuzzy-if(skiaContent,57,439) fuzzy-if(Android,57,1330) == box-decoration-break-with-outset-box-shadow-1.html box-decoration-break-with-outset-box-shadow-1-ref.html # Bug 1386543
 random-if(!gtkWidget) == box-decoration-break-border-image.html box-decoration-break-border-image-ref.html
 == box-decoration-break-block-border-padding.html box-decoration-break-block-border-padding-ref.html
 == box-decoration-break-block-margin.html box-decoration-break-block-margin-ref.html
 fuzzy-if(!Android,1,62) fuzzy-if(Android,8,6627) == box-decoration-break-first-letter.html box-decoration-break-first-letter-ref.html #Bug 1313773
 == box-decoration-break-with-bidi.html box-decoration-break-with-bidi-ref.html
 == box-decoration-break-bug-1235152.html box-decoration-break-bug-1235152-ref.html
 == box-decoration-break-bug-1249913.html box-decoration-break-bug-1249913-ref.html

--- a/layout/reftests/image-element/reftest.list
+++ b/layout/reftests/image-element/reftest.list
@@ -2,27 +2,27 @@ random == bug-364968.html bug-364968-ref
 == bug-463204.html bug-463204-ref.html
 == canvas-outside-document.html canvas-inside-document.html
 == mozsetimageelement-01.html mozsetimageelement-01-ref.html
 == mozsetimageelement-02.html about:blank
 == image-outside-document-invalidate.html about:blank
 == canvas-outside-document-invalidate-01.html about:blank
 fails-if(azureSkia) fails-if(cocoaWidget) == canvas-outside-document-invalidate-02.html about:blank # See bug 666800
 #fails with Skia due to Skia bug http://code.google.com/p/skia/issues/detail?id=568
-fails-if(webrender&&winWidget) == element-paint-simple.html element-paint-simple-ref.html
+fuzzy-if(webrender&&winWidget,117-117,54-54) == element-paint-simple.html element-paint-simple-ref.html
 == element-paint-repeated.html element-paint-repeated-ref.html
 == element-paint-recursion.html element-paint-recursion-ref.html
 == element-paint-continuation.html element-paint-continuation-ref.html
 == element-paint-transform-01.html element-paint-transform-01-ref.html
 random-if(d2d) == element-paint-transform-02.html element-paint-transform-02-ref.html # bug 587133
 fuzzy-if(d2d&&/^Windows\x20NT\x206\.1/.test(http.oscpu),16,90) == element-paint-background-size-01.html element-paint-background-size-01-ref.html
 == element-paint-background-size-02.html element-paint-background-size-02-ref.html
 fuzzy-if(skiaContent,255,4) == element-paint-transform-repeated.html element-paint-transform-repeated-ref.html
 fuzzy-if(d2d,255,24) == element-paint-transform-03.html element-paint-transform-03-ref.html
-fuzzy-if(asyncPan,2,140) fuzzy-if(skiaContent,3,106) fails-if(webrender&&winWidget) == element-paint-native-widget.html element-paint-native-widget-ref.html   # in -ref the scrollframe is active and layerized differently with APZ
+fuzzy-if(asyncPan,2,140) fuzzy-if(skiaContent,3,106) fuzzy-if(webrender&&winWidget,222-222,1323-1323) == element-paint-native-widget.html element-paint-native-widget-ref.html   # in -ref the scrollframe is active and layerized differently with APZ
 fails-if(usesRepeatResampling&&!(webrender&&winWidget)) == element-paint-subimage-sampling-restriction.html about:blank
 == element-paint-clippath.html element-paint-clippath-ref.html
 fuzzy-if(webrender,35-35,706-706) == element-paint-sharpness-01a.html element-paint-sharpness-01b.html
 fuzzy-if(skiaContent,1,326) == element-paint-sharpness-01b.html element-paint-sharpness-01c.html
 fuzzy-if(webrender,35-35,706-706) == element-paint-sharpness-01c.html element-paint-sharpness-01d.html
 == element-paint-sharpness-02a.html element-paint-sharpness-02b.html
 == element-paint-sharpness-02b.html element-paint-sharpness-02c.html
 == element-paint-paintserversize-rounding-01.html element-paint-paintserversize-rounding-01-ref.html

--- a/layout/reftests/mathml/reftest.list
+++ b/layout/reftests/mathml/reftest.list
@@ -12,17 +12,17 @@ fails == dir-9.html dir-9-ref.html # Bug
 == dir-11.html dir-11-ref.html
 == css-spacing-1.html css-spacing-1-ref.html
 pref(mathml.disabled,true) == disabled-scriptlevel-1.html disabled-scriptlevel-1-ref.html
 pref(mathml.disabled,true) == disabled-scriptlevel-1.xhtml disabled-scriptlevel-1-ref.xhtml
 == displaystyle-1.html displaystyle-1-ref.html
 == displaystyle-2.html displaystyle-2-ref.html
 == displaystyle-3.html displaystyle-3-ref.html
 == displaystyle-4.html displaystyle-4-ref.html
-random-if(smallScreen&&Android) fuzzy(255,200) fails-if(webrender&&winWidget) == mirror-op-1.html mirror-op-1-ref.html
+random-if(smallScreen&&Android) fuzzy(255,200) fuzzy-if(webrender&&winWidget,255-255,265-265) == mirror-op-1.html mirror-op-1-ref.html
 != mirror-op-2.html mirror-op-2-ref.html
 != mirror-op-3.html mirror-op-3-ref.html
 != mirror-op-4.html mirror-op-4-ref.html
 == dynamic-mi.xhtml dynamic-mi-ref.xhtml
 == mphantom-1.html mphantom-1-ref.html
 == mphantom-2.html mphantom-2-ref.html
 == mfenced-1.xhtml mfenced-1-ref.xhtml
 == mfenced-2a.xhtml mfenced-2-ref.xhtml

--- a/layout/reftests/position-sticky/reftest.list
+++ b/layout/reftests/position-sticky/reftest.list
@@ -35,17 +35,17 @@ fuzzy-if(Android,2,3) == stacking-contex
 == left-right-3.html left-right-3-ref.html
 fuzzy-if(Android,4,810) == containing-block-1.html containing-block-1-ref.html
 == overconstrained-1.html overconstrained-1-ref.html
 == overconstrained-2.html overconstrained-2-ref.html
 == overconstrained-3.html overconstrained-3-ref.html
 == inline-1.html inline-1-ref.html
 == inline-2.html inline-2-ref.html
 fuzzy-if(OSX,99,210) == inline-3.html inline-3-ref.html
-skip-if(!asyncPan) fails-if(webrender&&winWidget) == inline-4.html inline-4-ref.html
+skip-if(!asyncPan) fuzzy-if(webrender&&winWidget,126-126,4-4) == inline-4.html inline-4-ref.html
 fails == column-contain-1a.html column-contain-1-ref.html
 == column-contain-1b.html column-contain-1-ref.html
 == column-contain-2.html column-contain-2-ref.html
 == block-in-inline-1.html block-in-inline-1-ref.html
 fuzzy-if(skiaContent,1,22) fuzzy-if(winWidget&&!layersGPUAccelerated,116,1320) fuzzy-if(Android,8,1533) == block-in-inline-2.html block-in-inline-2-ref.html
 fuzzy-if(Android,8,630) fuzzy-if(OSX,1,11) fuzzy-if(skiaContent,1,220) fuzzy-if(winWidget&&!layersGPUAccelerated,116,1320) == block-in-inline-3.html block-in-inline-3-ref.html
 == block-in-inline-continuations.html block-in-inline-continuations-ref.html
 == iframe-1.html iframe-1-ref.html

--- a/layout/reftests/svg/as-image/reftest.list
+++ b/layout/reftests/svg/as-image/reftest.list
@@ -41,17 +41,17 @@ include zoom/reftest.list
 == canvas-drawImage-scale-1b.html lime100x100-ref.html
 == canvas-drawImage-scale-1c.html lime100x100-ref.html
 
 fuzzy(1,2) fuzzy-if(skiaContent,1,529) == canvas-drawImage-scale-2a.html canvas-drawImage-scale-2-ref.html
 fuzzy(1,2) fuzzy-if(skiaContent,1,529) == canvas-drawImage-scale-2b.html canvas-drawImage-scale-2-ref.html
 
 fuzzy-if(winWidget&&!d2d,1,10000) fuzzy-if(azureSkia,1,10000) fuzzy-if(Android,1,10000) == canvas-drawImage-alpha-1.html canvas-drawImage-alpha-1-ref.html
 #Same as scale-2a but with globalAlpha:
-fuzzy(1,2) fuzzy-if(/^Windows\x20NT\x2010\.0/.test(http.oscpu),1,7018) fuzzy-if(azureSkia,1,40000) fails-if(webrender&&winWidget) == canvas-drawImage-alpha-2.html canvas-drawImage-alpha-2-ref.html
+fuzzy(1,2) fuzzy-if(/^Windows\x20NT\x2010\.0/.test(http.oscpu),1,7018) fuzzy-if(azureSkia,1,40000) fuzzy-if(webrender&&winWidget,1-1,39743-39743) == canvas-drawImage-alpha-2.html canvas-drawImage-alpha-2-ref.html
 
 == canvas-drawImage-slice-1a.html lime100x100-ref.html
 == canvas-drawImage-slice-1b.html lime100x100-ref.html
 
 == canvas-drawImage-origin-clean-1.html lime100x100-ref.html
 == canvas-drawImage-transform-restored.html canvas-drawImage-transform-restored-ref.html
 
 # Context paint tests (this feature is currently not part of any spec.)

--- a/layout/reftests/svg/filters/css-filter-chains/reftest.list
+++ b/layout/reftests/svg/filters/css-filter-chains/reftest.list
@@ -1,9 +1,9 @@
 # These tests verify that CSS filter chains behave properly.
 # e.g. filter: blur(3px) grayscale(0.5) invert(0.2);
 
 default-preferences pref(layout.css.filters.enabled,true)
 
 # Some platforms render this complex filter chain a little differently, and that's ok.
-fuzzy(5,13000) fuzzy-if(/^Windows\x20NT\x2010\.0/.test(http.oscpu)&&layersGPUAccelerated,35,13269) fuzzy-if(webrender,6-6,18006-18006) fails-if(webrender&&winWidget) == long-chain.html long-chain-ref.html # Win10: Bug 1258241
+fuzzy(5,13000) fuzzy-if(/^Windows\x20NT\x2010\.0/.test(http.oscpu)&&layersGPUAccelerated,35,13269) fuzzy-if(webrender,5-6,18006-18071) == long-chain.html long-chain-ref.html # Win10: Bug 1258241
 == moz-element.html moz-element-ref.html
 fuzzy-if(webrender,15-15,7958-8262) == same-filter.html same-filter-ref.html

--- a/layout/reftests/svg/filters/css-filters/reftest.list
+++ b/layout/reftests/svg/filters/css-filters/reftest.list
@@ -1,39 +1,39 @@
 # These tests verify that CSS filters behave properly.
 # e.g. filter: blur(3px)
 
 default-preferences pref(layout.css.filters.enabled,true)
 
-fuzzy-if(webrender,9-9,4780-4780) fails-if(webrender&&winWidget) == blur.html blur-ref.html
+fuzzy-if(webrender,9-9,4780-4784) == blur.html blur-ref.html
 == blur.svg blur-ref.svg
 == blur-calc.html blur-calc-ref.html
 == blur-calc-negative.html blur-calc-negative-ref.html
 skip-if(d2d) == blur-cap-large-radius-on-software.html blur-cap-large-radius-on-software-ref.html
-fuzzy-if(webrender,9-9,4780-4780) fails-if(webrender&&winWidget) == blur-em-radius.html blur-em-radius-ref.html
+fuzzy-if(webrender,9-9,4780-4784) == blur-em-radius.html blur-em-radius-ref.html
 == blur-invalid-radius.html blur-invalid-radius-ref.html
-fuzzy-if(webrender,9-9,4780-4780) fails-if(webrender&&winWidget) == blur-rem-radius.html blur-rem-radius-ref.html
+fuzzy-if(webrender,9-9,4780-4784) == blur-rem-radius.html blur-rem-radius-ref.html
 == blur-zero-radius.html blur-zero-radius-ref.html
-fuzzy-if(webrender,6-6,21308-21308) fails-if(webrender&&winWidget) == blur-zoomed-page.html blur-zoomed-page-ref.html
+fuzzy-if(webrender,6-7,20420-21308) == blur-zoomed-page.html blur-zoomed-page-ref.html
 == brightness.html brightness-ref.html
 == brightness-darken.html brightness-darken-ref.html
 == brightness-extreme.html brightness-extreme-ref.html
 == brightness-one.html brightness-one-ref.html
 == brightness-percent.html brightness-percent-ref.html
 == brightness-zero.html brightness-zero-ref.html
 == containing-block-1.html containing-block-1-ref.html
 == contrast.html contrast-ref.html
 == contrast-extreme.html contrast-extreme-ref.html
 == contrast-one.html contrast-one-ref.html
 == contrast-percent.html contrast-percent-ref.html
 == contrast-reduce.html contrast-reduce-ref.html
 == contrast-zero.html contrast-zero-ref.html
-fuzzy-if(webrender,9-9,2625-2625) fails-if(webrender&&winWidget) == drop-shadow.html drop-shadow-ref.html
-fuzzy-if(webrender,9-9,2625-2625) fails-if(webrender&&winWidget) == drop-shadow-default-color.html drop-shadow-default-color-ref.html
-fuzzy-if(webrender,9-9,2625-2625) fails-if(webrender&&winWidget) == drop-shadow-negative-offset.html drop-shadow-negative-offset-ref.html
+fuzzy-if(webrender,9-9,2625-2628) == drop-shadow.html drop-shadow-ref.html
+fuzzy-if(webrender,9-9,2625-2628) fails-if(webrender&&winWidget) == drop-shadow-default-color.html drop-shadow-default-color-ref.html
+fuzzy-if(webrender,9-9,2625-2628) fails-if(webrender&&winWidget) == drop-shadow-negative-offset.html drop-shadow-negative-offset-ref.html
 == filter-on-huge-bbox.html pass.svg
 == filter-on-outer-svg.html pass.svg
 fuzzy-if(webrender,1,10000) fuzzy-if(d2d,1,10000) == grayscale.html grayscale-ref.html
 fuzzy-if(webrender,1,10000) fuzzy-if(d2d,1,10000) == grayscale-one.html grayscale-one-ref.html
 fuzzy-if(webrender,1,10000) fuzzy-if(d2d,1,10000) == grayscale-over-one.html grayscale-over-one-ref.html
 fuzzy-if(webrender,1,10000) fuzzy-if(d2d,1,10000) == grayscale-percent.html grayscale-percent-ref.html
 fuzzy-if(webrender,1,10000) == grayscale-zero.html grayscale-zero-ref.html
 == hue-rotate.html hue-rotate-ref.html

--- a/layout/reftests/svg/reftest.list
+++ b/layout/reftests/svg/reftest.list
@@ -211,17 +211,17 @@ fuzzy-if(skiaContent,1,500) == filter-sc
 == filter-use-element-01.svg pass.svg
 fuzzy-if(/^Windows\x20NT\x2010\.0/.test(http.oscpu)||skiaContent,1,800000) == filters-and-group-opacity-01.svg filters-and-group-opacity-01-ref.svg
 
 == foreignObject-01.svg pass.svg
 == foreignObject-02.svg foreignObject-02-ref.svg
 == foreignObject-ancestor-style-change-01.svg foreignObject-ancestor-style-change-01-ref.svg
 == foreignObject-change-transform-01.svg pass.svg
 == foreignObject-display-01.svg pass.svg
-fuzzy-if(webrender,190,229) fails-if(webrender&&winWidget) == foreignObject-form-theme.svg foreignObject-form-theme-ref.html # Bug 1439980
+fuzzy-if(webrender,190-255,229-1552) == foreignObject-form-theme.svg foreignObject-form-theme-ref.html # Bug 1439980
 == foreignObject-img.html foreignObject-img-ref.html
 == foreignObject-img-form-theme.html foreignObject-img-form-theme-ref.html
 == foreignObject-move-repaint-01.svg pass.svg
 == foreignObject-overflow-01.svg pass.svg
 == foreignObject-start-hidden-01.svg pass.svg # followup from Bug 596765
 == foreignObject-start-hidden-02.svg pass.svg
 == foreignObject-style-change-01.svg pass.svg
 == foreignObject-dynamic-abspos-01.html foreignObject-dynamic-abspos-01-ref.html

--- a/layout/reftests/svg/text/reftest.list
+++ b/layout/reftests/svg/text/reftest.list
@@ -1,54 +1,54 @@
-fails-if(webrender&&winWidget) == simple.svg simple-ref.html
+fuzzy-if(webrender&&winWidget,122-122,254-254) == simple.svg simple-ref.html
 == simple-2.svg simple.svg
-fails-if(webrender&&winWidget) == simple-underline.svg simple-underline-ref.html
+fuzzy-if(webrender&&winWidget,122-122,254-254) == simple-underline.svg simple-underline-ref.html
 == simple-underline-scaled.svg simple-underline-scaled-ref.svg
-fails-if(webrender&&winWidget) == simple-anchor-end-bidi.svg simple-anchor-end-bidi-ref.html
-fails-if(webrender&&winWidget) == simple-anchor-end-rtl.svg simple-anchor-end-rtl-ref.html
-fails-if(webrender&&winWidget) == simple-anchor-end.svg simple-anchor-end-ref.html
-fuzzy-if(skiaContent&&dwrite,104,131) fails-if(webrender&&winWidget) == simple-anchor-middle-bidi.svg simple-anchor-middle-bidi-ref.html
-fails-if(webrender&&winWidget) == simple-anchor-middle-rtl.svg simple-anchor-middle-rtl-ref.html
-fuzzy-if(skiaContent,111,81) fails-if(webrender&&winWidget) == simple-anchor-middle.svg simple-anchor-middle-ref.html
-fails-if(webrender&&winWidget) == simple-bidi.svg simple-bidi-ref.html
+fuzzy-if(webrender&&winWidget,166-166,318-318) == simple-anchor-end-bidi.svg simple-anchor-end-bidi-ref.html
+fuzzy-if(webrender&&winWidget,132-132,204-204) == simple-anchor-end-rtl.svg simple-anchor-end-rtl-ref.html
+fuzzy-if(webrender&&winWidget,122-122,250-250) == simple-anchor-end.svg simple-anchor-end-ref.html
+fuzzy-if(skiaContent&&dwrite,104,131) fuzzy-if(webrender&&winWidget,194-194,319-319) == simple-anchor-middle-bidi.svg simple-anchor-middle-bidi-ref.html
+fuzzy-if(webrender&&winWidget,132-132,207-207) == simple-anchor-middle-rtl.svg simple-anchor-middle-rtl-ref.html
+fuzzy-if(skiaContent,111,81) fuzzy-if(webrender&&winWidget,122-122,254-254) == simple-anchor-middle.svg simple-anchor-middle-ref.html
+fuzzy-if(webrender&&winWidget,132-132,319-319) == simple-bidi.svg simple-bidi-ref.html
 == simple-bidi-2.svg simple-bidi.svg
 
 == simple-dx.svg simple.svg
 == simple-dx-2.svg simple-dx-2-ref.svg
 == simple-dx-anchor-end-bidi.svg simple-dx-anchor-end-bidi-ref.svg
 == simple-dx-anchor-end-rtl.svg simple-dx-anchor-end-rtl-ref.svg
 == simple-dx-anchor-end.svg simple-dx-anchor-end-ref.svg
 == simple-dx-anchor-middle-bidi.svg simple-dx-anchor-middle-bidi-ref.svg
 == simple-dx-anchor-middle-rtl.svg simple-dx-anchor-middle-rtl-ref.svg
 == simple-dx-anchor-middle.svg simple-dx-anchor-middle-ref.svg
 == simple-dx-bidi.svg simple-dx-bidi-ref.svg
 == simple-dx-bidi-2.svg simple-dx-bidi-2-ref.svg
 == simple-dx-rtl.svg simple-dx-rtl-ref.svg
 == simple-dx-rtl-2.svg simple-dx-rtl-2-ref.svg
 
 == simple-fill-color-dynamic.svg simple-fill-color-dynamic-ref.svg
-fails-if(webrender&&winWidget) == simple-fill-color.svg simple-fill-color-ref.html
+fuzzy-if(webrender&&winWidget,125-125,254-254) == simple-fill-color.svg simple-fill-color-ref.html
 == simple-fill-gradient.svg simple-fill-gradient-ref.svg
 == simple-fill-none.svg simple.svg
 == simple-pointer-events.svg simple.svg
 
-fails-if(webrender&&winWidget) == simple-multiple-dx.svg simple-multiple-dx-ref.html
+fuzzy-if(webrender&&winWidget,122-122,254-254) == simple-multiple-dx.svg simple-multiple-dx-ref.html
 == simple-multiple-dx-2.svg simple-multiple-dx.svg
 == simple-multiple-dx-anchor-end-bidi.svg simple-multiple-dx-anchor-end-bidi-ref.svg
 == simple-multiple-dx-anchor-middle-bidi.svg simple-multiple-dx-anchor-middle-bidi-ref.svg
 == simple-multiple-dx-anchor-end-rtl.svg simple-multiple-dx-anchor-end-rtl-ref.svg
 == simple-multiple-dx-anchor-end.svg simple-multiple-dx-anchor-end-ref.svg
 fuzzy-if(skiaContent,1,2) == simple-multiple-dx-anchor-middle-rtl.svg simple-multiple-dx-anchor-middle-rtl-ref.svg
 == simple-multiple-dx-anchor-middle.svg simple-multiple-dx-anchor-middle-ref.svg
 == simple-multiple-dx-bidi.svg simple-multiple-dx-bidi-ref.svg
 == simple-multiple-dx-bidi-2.svg simple-multiple-dx-bidi.svg
 == simple-multiple-dx-rtl.svg simple-multiple-dx-rtl-ref.svg
 == simple-multiple-dx-rtl-2.svg simple-multiple-dx-rtl.svg
 
-fails-if(webrender&&winWidget) == simple-rtl.svg simple-rtl-ref.html
+fuzzy-if(webrender&&winWidget,132-132,206-206) == simple-rtl.svg simple-rtl-ref.html
 == simple-rtl-2.svg simple-rtl.svg
 == simple-transform-rotate.svg simple-transform-rotate-ref.svg
 
 == multiple-x.svg multiple-x-ref.svg
 == multiple-x-bidi.svg multiple-x-bidi-ref.svg
 == multiple-x-rtl.svg multiple-x-rtl-ref.svg
 == multiple-x-anchor-end-bidi.svg multiple-x-anchor-end-bidi-ref.svg
 == multiple-x-anchor-end-rtl.svg multiple-x-anchor-end-rtl-ref.svg
@@ -191,15 +191,15 @@ fuzzy-if(skiaContent&&winWidget,126,336)
 # vertical text
 fuzzy-if(skiaContent,1,80) == textpath-vertical-dx.svg textpath-vertical-dx-ref.svg
 
 # selection
 needs-focus == deselectAll.svg deselectAll-ref.svg
 fuzzy-if(skiaContent,1,250) needs-focus == selectSubString.svg selectSubString-ref.svg
 fuzzy-if(skiaContent,1,600) needs-focus == selectSubString-2.svg selectSubString-2-ref.svg
 fuzzy-if(skiaContent,1,250) needs-focus == selectSubString-3.svg selectSubString-3-ref.svg
-fuzzy-if(webrender,1-1,237-237) needs-focus fails-if(webrender&&winWidget) == simple-selection.svg simple-selection-ref.html
-fuzzy-if(skiaContent,1,100) fuzzy-if(webrender,1-1,575-575) needs-focus fails-if(webrender&&winWidget) == simple-bidi-selection.svg simple-bidi-selection-ref.html
-fuzzy-if(skiaContent,1,50) fuzzy-if(webrender,1-1,237-237) needs-focus fails-if(webrender&&winWidget) == simple-fill-color-selection.svg simple-fill-color-selection-ref.html
-fuzzy-if(skiaContent,1,150) fuzzy-if(webrender,1-1,222-222) needs-focus fails-if(webrender&&winWidget) == simple-underline-selection.svg simple-underline-selection-ref.html
-fuzzy-if(skiaContent,1,300) fuzzy-if(webrender,1-1,934-934) needs-focus fails-if(webrender&&winWidget) == multiple-text-selection.svg multiple-text-selection-ref.html
+fuzzy-if(webrender,1-1,237-237) needs-focus fuzzy-if(webrender&&winWidget,148-148,254-254) == simple-selection.svg simple-selection-ref.html
+fuzzy-if(skiaContent,1,100) fuzzy-if(webrender,1-1,575-575) needs-focus fuzzy-if(webrender&&winWidget,148-148,318-318) == simple-bidi-selection.svg simple-bidi-selection-ref.html
+fuzzy-if(skiaContent,1,50) fuzzy-if(webrender,1-1,237-237) needs-focus fuzzy-if(webrender&&winWidget,148-148,254-254) == simple-fill-color-selection.svg simple-fill-color-selection-ref.html
+fuzzy-if(skiaContent,1,150) fuzzy-if(webrender,1-1,222-222) needs-focus fuzzy-if(webrender&&winWidget,148-148,254-254) == simple-underline-selection.svg simple-underline-selection-ref.html
+fuzzy-if(skiaContent,1,300) fuzzy-if(webrender,1-1,934-934) needs-focus fuzzy-if(webrender&&winWidget,152-152,494-494) == multiple-text-selection.svg multiple-text-selection-ref.html
 needs-focus == multiple-chunks-selection.svg multiple-chunks-selection-ref.svg
 fuzzy-if(skiaContent,1,200) needs-focus == textpath-selection.svg textpath-selection-ref.svg

--- a/layout/reftests/text-overflow/reftest.list
+++ b/layout/reftests/text-overflow/reftest.list
@@ -1,16 +1,16 @@
 == ellipsis-font-fallback.html ellipsis-font-fallback-ref.html
 == line-clipping.html line-clipping-ref.html
 fuzzy-if(Android,16,244) == marker-basic.html marker-basic-ref.html  # Bug 1128229
 == marker-string.html marker-string-ref.html
 skip-if(Android) == bidi-simple.html bidi-simple-ref.html # Fails on Android due to anti-aliasing
 skip-if(!gtkWidget) fuzzy-if(gtkWidget,2,289) == bidi-simple-scrolled.html bidi-simple-scrolled-ref.html # Fails on Windows and OSX due to anti-aliasing
 fuzzy-if(Android,24,4000) fuzzy-if(cocoaWidget,1,40) fuzzy-if(asyncPan&&!layersGPUAccelerated,149,1836) == scroll-rounding.html scroll-rounding-ref.html # bug 760264
-fuzzy(2,453) fuzzy-if(skiaContent,9,2100) fails-if(gtkWidget) fails-if(webrender&&winWidget) == anonymous-block.html anonymous-block-ref.html # gtkWidget:bug 1309103
+fuzzy(2,453) fuzzy-if(skiaContent,9,2100) fails-if(gtkWidget) fuzzy-if(webrender&&winWidget,50-50,499-499) == anonymous-block.html anonymous-block-ref.html # gtkWidget:bug 1309103
 == false-marker-overlap.html false-marker-overlap-ref.html
 == visibility-hidden.html visibility-hidden-ref.html
 fuzzy-if(asyncPan&&!layersGPUAccelerated,102,1724) fuzzy-if(gtkWidget,10,8) == block-padding.html block-padding-ref.html
 fuzzy-if(webrender,3,825) == quirks-decorations.html quirks-decorations-ref.html
 == quirks-line-height.html quirks-line-height-ref.html
 == standards-decorations.html standards-decorations-ref.html
 == standards-line-height.html standards-line-height-ref.html
 fuzzy-if(skiaContent,1,4200) == selection.html selection-ref.html

--- a/layout/reftests/text-shadow/reftest.list
+++ b/layout/reftests/text-shadow/reftest.list
@@ -1,15 +1,15 @@
 == 723669.html 723669-ref.html
 
-fails-if(webrender&&winWidget) == basic.xul basic-ref.xul
-random-if(Android) fails-if(webrender&&winWidget) == basic-negcoord.xul basic-negcoord-ref.xul
+fuzzy-if(webrender&&winWidget,1-1,7-7) == basic.xul basic-ref.xul
+random-if(Android) fuzzy-if(webrender&&winWidget,1-1,6-6) == basic-negcoord.xul basic-negcoord-ref.xul
 != blur.xul blur-notref.xul
-fails-if(webrender&&winWidget) == color-inherit.xul color-inherit-ref.xul
-fails-if(webrender&&winWidget) == multiple-noblur.xul multiple-noblur-ref.xul
+fuzzy-if(webrender&&winWidget,1-1,6-6) == color-inherit.xul color-inherit-ref.xul
+fuzzy-if(webrender&&winWidget,1-1,44-44) == multiple-noblur.xul multiple-noblur-ref.xul
 == blur-opacity.html blur-opacity-ref.html
 
 == basic.html basic-ref.html
 == basic-negcoord.html basic-negcoord-ref.html
 == basic-opacity.html basic-opacity-ref.html
 != blur.html blur-notref.html
 == color-inherit.html color-inherit-ref.html
 == color-parserorder.html color-parserorder-ref.html

--- a/layout/reftests/text-svgglyphs/reftest.list
+++ b/layout/reftests/text-svgglyphs/reftest.list
@@ -1,16 +1,16 @@
 pref(gfx.font_rendering.opentype_svg.enabled,false)   != svg-glyph-basic.svg svg-glyph-basic-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(skiaContent,1,200) == svg-glyph-basic.svg svg-glyph-basic-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    == svg-glyph-invalid-ids.svg svg-glyph-invalid-ids-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,false)   != svg-glyph-positioning.svg svg-glyph-positioning-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(skiaContent,2,350) == svg-glyph-positioning.svg svg-glyph-positioning-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    == svg-glyph-html.html svg-glyph-html-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    == svg-glyph-direct.svg svg-glyph-direct-ref.svg
-pref(gfx.font_rendering.opentype_svg.enabled,true)    fails-if(webrender&&winWidget) == svg-glyph-invalid.html svg-glyph-invalid-ref.html
+pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(webrender&&winWidget,138-138,2461-2461) == svg-glyph-invalid.html svg-glyph-invalid-ref.html
 pref(gfx.font_rendering.opentype_svg.enabled,true)    == svg-glyph-objectfill-solid.svg svg-glyph-objectfill-solid-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(skiaContent,2,200) == svg-glyph-objectstroke-solid.svg svg-glyph-objectstroke-solid-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy(1,7) fuzzy-if(gtkWidget&&/^Linux\x20x86_64/.test(http.oscpu),1,79) fuzzy-if(skiaContent,1,300) == svg-glyph-objectgradient.svg svg-glyph-objectgradient-ref.svg # see bug 871961#c5
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(cocoaWidget,1,7028) fuzzy-if(gtkWidget&&/^Linux\x20x86_64/.test(http.oscpu),1,23) fuzzy-if(skiaContent,1,250) fuzzy-if(webrender,128-128,90-94) == svg-glyph-objectgradient-zoom.svg svg-glyph-objectgradient-zoom-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(gtkWidget,1,1438) fuzzy-if(winWidget,1,1954) fuzzy-if(Android,8,3795) fuzzy-if(skiaContent,14,13000) == svg-glyph-objectpattern.svg svg-glyph-objectpattern-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    == clip.html clip-ref.html
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy(1,13) fuzzy-if(gtkWidget&&/^Linux\x20x86_64/.test(http.oscpu),1,62) fuzzy-if(skiaContent,1,350) == svg-glyph-objectopacity.svg svg-glyph-objectopacity-ref.svg # see bug 871961#c5
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(gtkWidget,1,2268) fuzzy-if(winWidget,1,3074) fuzzy-if(Android,5,4715) fuzzy-if(skiaContent,8,13000) == svg-glyph-objectopacity2.svg svg-glyph-objectopacity2-ref.svg

--- a/layout/reftests/transform-3d/reftest.list
+++ b/layout/reftests/transform-3d/reftest.list
@@ -75,18 +75,18 @@ fuzzy-if(cocoaWidget,128,9) == animate-p
 == animate-backface-hidden.html about:blank
 == 1245450-1.html green-rect.html
 fuzzy(1,2000) == opacity-preserve3d-1.html opacity-preserve3d-1-ref.html
 fuzzy(1,15000) == opacity-preserve3d-2.html opacity-preserve3d-2-ref.html
 fuzzy(1,10000) == opacity-preserve3d-3.html opacity-preserve3d-3-ref.html
 fuzzy(1,10000) == opacity-preserve3d-4.html opacity-preserve3d-4-ref.html
 == opacity-preserve3d-5.html opacity-preserve3d-5-ref.html
 == snap-perspective-1.html snap-perspective-1-ref.html
-fails-if(webrender&&winWidget) == mask-layer-1.html mask-layer-ref.html
-fails-if(webrender&&winWidget) == mask-layer-2.html mask-layer-ref.html
+fuzzy-if(webrender&&winWidget,1-1,16-16) == mask-layer-1.html mask-layer-ref.html
+fuzzy-if(webrender&&winWidget,1-1,16-16) == mask-layer-2.html mask-layer-ref.html
 fails-if(webrender) == mask-layer-3.html mask-layer-ref.html
 == split-intersect1.html split-intersect1-ref.html
 fuzzy(255,150) == split-intersect2.html split-intersect2-ref.html
 fuzzy(255,100) == split-non-ortho1.html split-non-ortho1-ref.html
 fuzzy-if(winWidget,150,120) == component-alpha-1.html component-alpha-1-ref.html
 == nested-transform-1.html nested-transform-1-ref.html
 == transform-geometry-1.html transform-geometry-1-ref.html
 == intermediate-1.html intermediate-1-ref.html

--- a/layout/reftests/w3c-css/failures.list
+++ b/layout/reftests/w3c-css/failures.list
@@ -87,31 +87,31 @@ fails-if(Android) css-writing-modes/sizi
 # Fuzzy
 fuzzy-if(OSX||winWidget,255,480)  css-writing-modes/abs-pos-non-replaced-v??-???.xht
 fuzzy-if(OSX||winWidget,93,600)   css-writing-modes/baseline-inline-non-replaced-00?.xht
 fuzzy-if(OSX||winWidget,213,1540) css-writing-modes/block-flow-direction-???-0??.xht
 fuzzy-if(OSX,255,200)  css-writing-modes/box-offsets-rel-pos-vlr-005.xht
 fuzzy-if(OSX,255,200)  css-writing-modes/box-offsets-rel-pos-vrl-004.xht
 fuzzy-if(OSX||winWidget,93,300)   css-writing-modes/caption-side-v??-00?.xht
 fuzzy-if(OSX||winWidget,215,780)  css-writing-modes/central-baseline-alignment-00?.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) css-writing-modes/direction-v??-00?.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) css-writing-modes/direction-v??-00?.xht
 fuzzy-if(OSX||winWidget,135,902)  css-writing-modes/float-contiguous-v??-01?.xht
 fuzzy-if(OSX||winWidget,93,300)   css-writing-modes/float-shrink-to-fit-vlr-009.xht
 fuzzy-if(OSX||winWidget,93,300)   css-writing-modes/float-shrink-to-fit-vrl-008.xht
 fuzzy-if(OSX||winWidget,93,300)   css-writing-modes/float-v??-0??.xht
-fuzzy-if(OSX||winWidget,62,404) fails-if(webrender&&winWidget) css-writing-modes/height-width-inline-non-replaced-v??-00?.xht
+fuzzy-if(OSX||winWidget,62,404) fuzzy-if(webrender&&winWidget,92-92,100-100) css-writing-modes/height-width-inline-non-replaced-v??-00?.xht
 fuzzy-if(OSX||winWidget,218,621)  css-writing-modes/inline-block-alignment-orthogonal-v??-00?.xht
 fuzzy-if(OSX||winWidget,135,1080) css-writing-modes/inline-block-alignment-slr-009.xht
 fuzzy-if(OSX||winWidget,111,960)  css-writing-modes/inline-block-alignment-srl-008.xht
 fuzzy-if(OSX||winWidget,213,1540) css-writing-modes/line-box-direction-???-0??.xht
 fuzzy-if(OSX||winWidget,110,1200) css-writing-modes/row-progression-???-0??.xht
 fuzzy-if(OSX||winWidget,110,1200) css-writing-modes/table-column-order-00?.xht
 fuzzy-if(winWidget,110,1200) css-writing-modes/table-column-order-slr-007.xht
 fuzzy-if(OSX||winWidget,110,1200) css-writing-modes/table-column-order-srl-006.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) css-writing-modes/text-align-v??-0??.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) css-writing-modes/text-align-v??-0??.xht
 fuzzy-if(OSX||winWidget,215,780)  css-writing-modes/text-baseline-???-00?.xht
 fuzzy-if(OSX,15,16) css-writing-modes/text-combine-upright-decorations-001.html
 fuzzy-if(OSX||winWidget,255,480)  css-writing-modes/text-indent-v??-0??.xht
 fuzzy-if(OSX||winWidget,226,960)  css-writing-modes/text-orientation-016.xht
 fuzzy-if(OSX||winWidget,223,720)  css-writing-modes/vertical-alignment-*.xht
 fuzzy-if(OSX||winWidget,153,612)  css-writing-modes/writing-mode-vertical-??-00?.*
 fuzzy(255,960) css-writing-modes/text-combine-upright-value-all-00?.html
 

--- a/layout/reftests/w3c-css/received/reftest.list
+++ b/layout/reftests/w3c-css/received/reftest.list
@@ -709,20 +709,20 @@ fails == css-writing-modes/contiguous-fl
 fails == css-writing-modes/contiguous-floated-table-vlr-007.xht reference/ref-filled-green-100px-square.xht
 fails == css-writing-modes/contiguous-floated-table-vlr-009.xht reference/ref-filled-green-100px-square.xht
 fails == css-writing-modes/contiguous-floated-table-vrl-002.xht reference/ref-filled-green-100px-square.xht
 fails == css-writing-modes/contiguous-floated-table-vrl-004.xht reference/ref-filled-green-100px-square.xht
 fails == css-writing-modes/contiguous-floated-table-vrl-006.xht reference/ref-filled-green-100px-square.xht
 fails == css-writing-modes/contiguous-floated-table-vrl-008.xht reference/ref-filled-green-100px-square.xht
 == css-writing-modes/different-block-flow-dir-001.xht reference/ref-filled-green-100px-square.xht
 == css-writing-modes/different-block-flow-dir-002.xht reference/ref-filled-green-100px-square.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/direction-vlr-003.xht css-writing-modes/direction-vlr-003-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/direction-vlr-005.xht reference/ref-filled-green-100px-square.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/direction-vrl-002.xht css-writing-modes/direction-vrl-002-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/direction-vrl-004.xht css-writing-modes/direction-vrl-004-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/direction-vlr-003.xht css-writing-modes/direction-vlr-003-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/direction-vlr-005.xht reference/ref-filled-green-100px-square.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/direction-vrl-002.xht css-writing-modes/direction-vrl-002-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/direction-vrl-004.xht css-writing-modes/direction-vrl-004-ref.xht
 == css-writing-modes/flexbox_align-items-stretch-writing-modes.html css-writing-modes/flexbox_align-items-stretch-writing-modes-ref.html
 == css-writing-modes/float-clear-vlr-003.xht reference/ref-filled-green-100px-square.xht
 == css-writing-modes/float-clear-vlr-005.xht reference/ref-filled-green-100px-square.xht
 == css-writing-modes/float-clear-vlr-007.xht reference/ref-filled-green-100px-square.xht
 == css-writing-modes/float-clear-vlr-009.xht reference/ref-filled-green-100px-square.xht
 == css-writing-modes/float-clear-vrl-002.xht reference/ref-filled-green-100px-square.xht
 == css-writing-modes/float-clear-vrl-004.xht reference/ref-filled-green-100px-square.xht
 == css-writing-modes/float-clear-vrl-006.xht reference/ref-filled-green-100px-square.xht
@@ -769,18 +769,18 @@ fuzzy-if(OSX||winWidget,93,300) == css-w
 fuzzy-if(OSX||winWidget,93,300) == css-writing-modes/float-vrl-010.xht reference/ref-filled-green-100px-square.xht
 fuzzy-if(OSX||winWidget,93,300) == css-writing-modes/float-vrl-012.xht reference/ref-filled-green-100px-square.xht
 != css-writing-modes/full-width-001.html css-writing-modes/reference/full-width-001-horizontal-notref.html
 != css-writing-modes/full-width-001.html css-writing-modes/reference/full-width-001-nofullwidth-notref.html
 != css-writing-modes/full-width-002.html css-writing-modes/reference/full-width-002-notcu-notref.html
 != css-writing-modes/full-width-002.html css-writing-modes/reference/full-width-002-horizontal-notref.html
 skip != css-writing-modes/full-width-003.html css-writing-modes/reference/full-width-002-notcu-notref.html
 skip != css-writing-modes/full-width-003.html css-writing-modes/reference/full-width-002-horizontal-notref.html
-fuzzy-if(OSX||winWidget,62,404) fails-if(webrender&&winWidget) == css-writing-modes/height-width-inline-non-replaced-vlr-003.xht reference/ref-filled-green-100px-square.xht
-fuzzy-if(OSX||winWidget,62,404) fails-if(webrender&&winWidget) == css-writing-modes/height-width-inline-non-replaced-vrl-002.xht css-writing-modes/abs-pos-non-replaced-icb-vrl-008-ref.xht
+fuzzy-if(OSX||winWidget,62,404) fuzzy-if(webrender&&winWidget,92-92,100-100) == css-writing-modes/height-width-inline-non-replaced-vlr-003.xht reference/ref-filled-green-100px-square.xht
+fuzzy-if(OSX||winWidget,62,404) fuzzy-if(webrender&&winWidget,92-92,100-100) == css-writing-modes/height-width-inline-non-replaced-vrl-002.xht css-writing-modes/abs-pos-non-replaced-icb-vrl-008-ref.xht
 == css-writing-modes/horizontal-rule-vlr-003.xht css-writing-modes/horizontal-rule-vlr-003-ref.xht
 == css-writing-modes/horizontal-rule-vlr-005.xht css-writing-modes/horizontal-rule-vrl-004-ref.xht
 == css-writing-modes/horizontal-rule-vrl-002.xht css-writing-modes/horizontal-rule-vrl-002-ref.xht
 == css-writing-modes/horizontal-rule-vrl-004.xht css-writing-modes/horizontal-rule-vrl-004-ref.xht
 fails == css-writing-modes/inline-block-alignment-002.xht css-writing-modes/inline-block-alignment-002-ref.xht
 fails == css-writing-modes/inline-block-alignment-003.xht css-writing-modes/inline-block-alignment-003-ref.xht
 fails == css-writing-modes/inline-block-alignment-004.xht css-writing-modes/inline-block-alignment-002-ref.xht
 fails == css-writing-modes/inline-block-alignment-005.xht css-writing-modes/inline-block-alignment-003-ref.xht
@@ -1043,34 +1043,34 @@ fails == css-writing-modes/table-progres
 == css-writing-modes/table-progression-vlr-001.html css-writing-modes/table-progression-001-ref.html
 fails == css-writing-modes/table-progression-vlr-002.html css-writing-modes/table-progression-002-ref.html
 fails == css-writing-modes/table-progression-vlr-003.html css-writing-modes/table-progression-001-ref.html
 fails == css-writing-modes/table-progression-vlr-004.html css-writing-modes/table-progression-002-ref.html
 == css-writing-modes/table-progression-vrl-001.html css-writing-modes/table-progression-001-ref.html
 fails == css-writing-modes/table-progression-vrl-002.html css-writing-modes/table-progression-002-ref.html
 fails == css-writing-modes/table-progression-vrl-003.html css-writing-modes/table-progression-001-ref.html
 fails == css-writing-modes/table-progression-vrl-004.html css-writing-modes/table-progression-002-ref.html
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vlr-003.xht reference/ref-filled-green-100px-square.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vlr-005.xht reference/ref-filled-green-100px-square.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vlr-007.xht reference/ref-filled-green-100px-square.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vlr-009.xht css-writing-modes/text-align-vlr-009-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vlr-011.xht css-writing-modes/text-align-vlr-009-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vlr-013.xht css-writing-modes/text-align-vlr-009-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vlr-015.xht css-writing-modes/direction-vlr-003-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vlr-017.xht css-writing-modes/direction-vlr-003-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vlr-019.xht css-writing-modes/direction-vlr-003-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vrl-002.xht css-writing-modes/direction-vrl-004-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vrl-004.xht css-writing-modes/direction-vrl-004-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vrl-006.xht css-writing-modes/direction-vrl-004-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vrl-008.xht css-writing-modes/text-align-vrl-008-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vrl-010.xht css-writing-modes/text-align-vrl-008-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vrl-012.xht css-writing-modes/text-align-vrl-008-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vrl-014.xht css-writing-modes/direction-vrl-002-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vrl-016.xht css-writing-modes/direction-vrl-002-ref.xht
-fuzzy-if(OSX||winWidget,75,404) fails-if(webrender&&winWidget) == css-writing-modes/text-align-vrl-018.xht css-writing-modes/direction-vrl-002-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vlr-003.xht reference/ref-filled-green-100px-square.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vlr-005.xht reference/ref-filled-green-100px-square.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vlr-007.xht reference/ref-filled-green-100px-square.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vlr-009.xht css-writing-modes/text-align-vlr-009-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vlr-011.xht css-writing-modes/text-align-vlr-009-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vlr-013.xht css-writing-modes/text-align-vlr-009-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vlr-015.xht css-writing-modes/direction-vlr-003-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vlr-017.xht css-writing-modes/direction-vlr-003-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vlr-019.xht css-writing-modes/direction-vlr-003-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vrl-002.xht css-writing-modes/direction-vrl-004-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vrl-004.xht css-writing-modes/direction-vrl-004-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vrl-006.xht css-writing-modes/direction-vrl-004-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vrl-008.xht css-writing-modes/text-align-vrl-008-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vrl-010.xht css-writing-modes/text-align-vrl-008-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vrl-012.xht css-writing-modes/text-align-vrl-008-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vrl-014.xht css-writing-modes/direction-vrl-002-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vrl-016.xht css-writing-modes/direction-vrl-002-ref.xht
+fuzzy-if(OSX||winWidget,75,404) fuzzy-if(webrender&&winWidget,92-92,300-300) == css-writing-modes/text-align-vrl-018.xht css-writing-modes/direction-vrl-002-ref.xht
 fuzzy-if(OSX||winWidget,215,780) == css-writing-modes/text-baseline-slr-009.xht css-writing-modes/text-baseline-slr-009-ref.xht
 fuzzy-if(OSX||winWidget,215,780) == css-writing-modes/text-baseline-srl-008.xht css-writing-modes/text-baseline-vrl-006-ref.xht
 fuzzy-if(OSX||winWidget,215,780) == css-writing-modes/text-baseline-vlr-003.xht css-writing-modes/text-baseline-vrl-002-ref.xht
 fuzzy-if(OSX||winWidget,215,780) == css-writing-modes/text-baseline-vlr-005.xht css-writing-modes/text-baseline-vrl-002-ref.xht
 fuzzy-if(OSX||winWidget,215,780) == css-writing-modes/text-baseline-vlr-007.xht css-writing-modes/text-baseline-vrl-006-ref.xht
 fuzzy-if(OSX||winWidget,215,780) == css-writing-modes/text-baseline-vrl-002.xht css-writing-modes/text-baseline-vrl-002-ref.xht
 fuzzy-if(OSX||winWidget,215,780) == css-writing-modes/text-baseline-vrl-004.xht css-writing-modes/text-baseline-vrl-002-ref.xht
 fuzzy-if(OSX||winWidget,215,780) == css-writing-modes/text-baseline-vrl-006.xht css-writing-modes/text-baseline-vrl-006-ref.xht

--- a/layout/reftests/w3c-css/submitted/background/reftest.list
+++ b/layout/reftests/w3c-css/submitted/background/reftest.list
@@ -17,17 +17,17 @@
 == background-repeat-round-1d.html background-repeat-round-1-ref.html
 == background-repeat-round-1e.html background-repeat-round-1-ref.html
 == background-repeat-round-2.html background-repeat-round-2-ref.html
 == background-repeat-round-3.html background-repeat-round-3-ref.html
 == background-repeat-round-4.html background-repeat-round-4-ref.html
 
 #border-image test cases
 fuzzy-if(webrender,9-10,572-576) == border-image-repeat-round-1.html border-image-repeat-round-1-ref.html
-fuzzy-if(webrender,7-7,216-216) fails-if(webrender&&winWidget) == border-image-repeat-round-2.html border-image-repeat-round-2-ref.html
+fuzzy-if(webrender,7-7,216-224) == border-image-repeat-round-2.html border-image-repeat-round-2-ref.html
 == border-image-repeat-space-1.html border-image-repeat-space-1-ref.html
 == border-image-repeat-space-2.html border-image-repeat-space-2-ref.html
 == border-image-repeat-space-3.html border-image-repeat-space-3-ref.html
 == border-image-repeat-space-4.html border-image-repeat-space-4-ref-1.html
 == border-image-repeat-space-4-ref-1.html border-image-repeat-space-4-ref-2.html
 == border-image-repeat-space-5.html border-image-repeat-space-5-ref-1.html
 == border-image-repeat-space-5-ref-1.html border-image-repeat-space-5-ref-2.html
 == border-image-repeat-space-6.html border-image-repeat-space-6-ref.html

--- a/layout/reftests/writing-mode/reftest.list
+++ b/layout/reftests/writing-mode/reftest.list
@@ -145,17 +145,17 @@ test-pref(dom.meta-viewport.enabled,true
 == 1188061-1-nsChangeHint_ClearAncestorIntrinsics.html 1188061-1-nsChangeHint_ClearAncestorIntrinsics-ref.html
 == 1188061-2-nsChangeHint_UpdateComputedBSize.html 1188061-2-nsChangeHint_UpdateComputedBSize-ref.html
 
 # tests involving sideways-lr mode
 == 1193519-sideways-lr-1.html 1193519-sideways-lr-1-ref.html
 == 1193519-sideways-lr-2.html 1193519-sideways-lr-2-ref.html
 fuzzy-if(winWidget,3,84) fails-if(webrender&&winWidget) == 1193519-sideways-lr-3.html 1193519-sideways-lr-3-ref.html
 fuzzy-if(winWidget,3,112) fails-if(webrender) == 1193519-sideways-lr-4.html 1193519-sideways-lr-4-ref.html # see bug 1366692. Rounding error with WR enabled.
-fuzzy-if(gtkWidget,255,6) fuzzy-if(cocoaWidget,65,69) fails-if(webrender&&winWidget) == 1193519-sideways-lr-decoration-1.html 1193519-sideways-lr-decoration-1-ref.html
+fuzzy-if(gtkWidget,255,6) fuzzy-if(cocoaWidget,65,69) fuzzy-if(webrender&&winWidget,255-255,608-608) == 1193519-sideways-lr-decoration-1.html 1193519-sideways-lr-decoration-1-ref.html
 
 == 1196887-1-computed-display-inline-block.html 1196887-1-computed-display-inline-block-ref.html
 == 1205787-legacy-svg-values-1.html 1205787-legacy-svg-values-1-ref.html
 
 == 1216747-1.html 1216747-1-ref.html
 != 1216747-1.html 1216747-1-notref.html
 
 == 1243125-1-floats-overflowing.html 1243125-1-floats-overflowing-ref.html

--- a/widget/reftests/reftest.list
+++ b/widget/reftests/reftest.list
@@ -1,6 +1,6 @@
 skip-if(!cocoaWidget) != 507947.html about:blank
 == progressbar-fallback-default-style.html progressbar-fallback-default-style-ref.html
-fuzzy-if(Android,17,1120) fails-if(webrender&&winWidget) == meter-native-style.html meter-native-style-ref.html
+fuzzy-if(Android,17,1120) fuzzy-if(webrender&&winWidget,1-1,10-10) == meter-native-style.html meter-native-style-ref.html
 skip-if(!cocoaWidget) == meter-vertical-native-style.html meter-vertical-native-style-ref.html # dithering
 == meter-fallback-default-style.html meter-fallback-default-style-ref.html
 load 664925.xhtml