--- a/layout/reftests/invalidation/reftest.list
+++ b/layout/reftests/invalidation/reftest.list
@@ -38,24 +38,24 @@ pref(layout.animated-image-layers.enable
 == filter-userspace-offset.svg?offsetContainer=foreignObject&mask=boundingBox filter-userspace-offset.svg
 == filter-userspace-offset.svg?offsetContainer=rect&mask=userSpace-at100 filter-userspace-offset.svg
 == filter-userspace-offset.svg?offsetContainer=use&mask=userSpace-atZero filter-userspace-offset.svg
 == filter-userspace-offset.svg?offsetContainer=innerSVG&mask=userSpace-atZero filter-userspace-offset.svg
 == filter-userspace-offset.svg?offsetContainer=foreignObject&mask=userSpace-at100 filter-userspace-offset.svg
 == filter-userspace-offset.svg?offsetContainer=rect&filter=matrix-fillPaint-boundingBox filter-userspace-offset.svg
 == filter-userspace-offset.svg?offsetContainer=rect&filter=matrix-fillPaint-userSpace-at100 filter-userspace-offset.svg
 
-!= scroll-inactive-layers.html about:blank
-!= scroll-inactive-layers-2.html about:blank
+fails-if(webrender) != scroll-inactive-layers.html about:blank
+fails-if(webrender) != scroll-inactive-layers-2.html about:blank
 != inactive-layertree-visible-region-1.html about:blank
 != inactive-layertree-visible-region-2.html about:blank
-!= transform-floating-point-invalidation.html about:blank
-!= transform-floating-point-invalidation.html?reverse about:blank
-!= nudge-to-integer-invalidation.html about:blank
-!= nudge-to-integer-invalidation.html?reverse about:blank
+fails-if(webrender) != transform-floating-point-invalidation.html about:blank
+fails-if(webrender) != transform-floating-point-invalidation.html?reverse about:blank
+fails-if(webrender) != nudge-to-integer-invalidation.html about:blank
+fails-if(webrender) != nudge-to-integer-invalidation.html?reverse about:blank
 != clipped-animated-transform-1.html about:blank
 != paintedlayer-recycling-1.html about:blank
 != paintedlayer-recycling-2.html about:blank
 pref(layers.single-tile.enabled,false) != paintedlayer-recycling-3.html about:blank
 != paintedlayer-recycling-4.html about:blank
 != paintedlayer-recycling-5.html about:blank
 != paintedlayer-recycling-6.html about:blank
 != paintedlayer-recycling-7.html about:blank

--- a/layout/reftests/svg/as-image/reftest.list
+++ b/layout/reftests/svg/as-image/reftest.list
@@ -169,18 +169,18 @@ fuzzy-if(skiaContent,255,10) == img-novb
 
 == list-simple-1.html list-simple-1-ref.html
 
 == svg-image-simple-1.svg lime100x100.svg
 == svg-image-simple-2.svg lime100x100.svg
 == svg-image-simple-3.svg lime100x100.svg
 
 # tests for <svg> files that include themselves as an <image>
-fuzzy-if(webrender,1-1,4-4) == svg-image-recursive-1a.svg  svg-image-recursive-1-ref.svg
-fuzzy-if(webrender,1-1,4-4) == svg-image-recursive-1b.svg  svg-image-recursive-1-ref.svg
+== svg-image-recursive-1a.svg  svg-image-recursive-1-ref.svg
+== svg-image-recursive-1b.svg  svg-image-recursive-1-ref.svg
 == svg-image-recursive-2a.svg  svg-image-recursive-2-ref.svg
 == svg-image-recursive-2b.html svg-image-recursive-2-ref.svg
 
 # tests for external resources vs. data URIs in SVG as an image
 == svg-image-datauri-1.html            lime100x100.svg
 HTTP == svg-image-datauri-1.html       lime100x100.svg
 == svg-image-external-1.html           blue100x100.svg
 HTTP == svg-image-external-1.html      blue100x100.svg

--- a/layout/reftests/svg/reftest.list
+++ b/layout/reftests/svg/reftest.list
@@ -330,17 +330,17 @@ fuzzy-if(skiaContent,7,175) == outline.h
 == overflow-on-outer-svg-02d.xhtml overflow-on-outer-svg-02-ref.xhtml
 == overflow-on-outer-svg-03a.xhtml overflow-on-outer-svg-03-ref.xhtml
 == overflow-on-outer-svg-03b.xhtml overflow-on-outer-svg-03-ref.xhtml
 
 == paint-on-maskLayer-1a.html paint-on-maskLayer-1-ref.html
 == paint-on-maskLayer-1b.html paint-on-maskLayer-1-ref.html
 == paint-on-maskLayer-1c.html paint-on-maskLayer-1-ref.html
 pref(svg.paint-order.enabled,true) == paint-order-01.svg paint-order-01-ref.svg
-pref(svg.paint-order.enabled,true) fuzzy-if(webrender,1-1,112-112) == paint-order-02.svg paint-order-02-ref.svg
+pref(svg.paint-order.enabled,true) == paint-order-02.svg paint-order-02-ref.svg
 pref(svg.paint-order.enabled,true) == paint-order-03.svg paint-order-03-ref.svg
 
 #fuzzy(23,60) fails-if(d2d) == path-01.svg path-01-ref.svg
 == path-02.svg pass.svg
 == path-03.svg pass.svg
 == path-04.svg pass.svg
 == path-05.svg pass.svg
 fuzzy-if(skiaContent,1,400) == path-06.svg path-06-ref.svg
@@ -410,17 +410,17 @@ fuzzy-if(skiaContent,1,340) == stroke-da
 == stroke-width-percentage-01.svg pass.svg
 == stroke-width-percentage-02a.svg stroke-width-percentage-02-ref.svg
 == stroke-width-percentage-02b.svg stroke-width-percentage-02-ref.svg
 == stroke-width-percentage-03.xhtml stroke-width-percentage-03-ref.xhtml
 
 == style-property-on-script-element-01.svg pass.svg
 == style-without-type-attribute.svg pass.svg
 
-fuzzy-if(webrender,1-1,262-262) == svg-in-foreignObject-01.xhtml svg-in-foreignObject-01-ref.xhtml
+== svg-in-foreignObject-01.xhtml svg-in-foreignObject-01-ref.xhtml
 fuzzy-if(skiaContent,1,2600) == svg-in-foreignObject-02.xhtml svg-in-foreignObject-01-ref.xhtml # reuse -01-ref.xhtml
 == svg-in-inner-svg-dimensions.svg pass.svg
 == switch-01.svg pass.svg
 
 == suspend-01.svg pass.svg
 == suspend-02.svg pass.svg
 == suspend-03.svg pass.svg
 == suspend-04.svg pass.svg

--- a/layout/reftests/svg/smil/transform/reftest.list
+++ b/layout/reftests/svg/smil/transform/reftest.list
@@ -4,15 +4,15 @@
 fuzzy(111,1802) fuzzy-if(skiaContent,130,1000) == additive-1.svg additive-1-ref.svg # bug 981344, bug 1239766
 == animate-width-1.svg lime.svg
 fuzzy-if(cocoaWidget,1,32) fuzzy-if(winWidget,15,30) fuzzy-if(gtkWidget,1,30) == paced-1.svg paced-1-ref.svg # bug 981640, Bug 1293550
 fuzzy-if(skiaContent,7,90) == rotate-angle-1.svg rotate-angle-ref.svg
 fuzzy-if(skiaContent,7,90) == rotate-angle-2.svg rotate-angle-ref.svg
 fuzzy-if(skiaContent,7,130) == rotate-angle-3.svg rotate-angle-ref.svg
 fuzzy-if(skiaContent,7,90) == rotate-angle-4.svg rotate-angle-ref.svg
 fuzzy-if(skiaContent,7,60) == rotate-angle-5.svg rotate-angle-ref.svg
-fuzzy(12,27) fuzzy-if(skiaContent,1,180) fuzzy-if(Android,16,3) fuzzy-if(webrender,7-7,306-306) == scale-1.svg scale-1-ref.svg  # bug 981004
+fuzzy(12,27) fuzzy-if(skiaContent,1,180) fuzzy-if(Android,16,3) scale-1.svg scale-1-ref.svg  # bug 981004
 == set-transform-1.svg lime.svg
 fuzzy-if(winWidget||gtkWidget||OSX,1,27) fuzzy-if(skiaContent,7,1548) == skew-1.svg skew-1-ref.svg # bug 983671, Bug 1260629
 == translate-clipPath-1.svg lime.svg
 == translate-gradient-1.svg lime.svg
 == translate-pattern-1.svg lime.svg
 == use-1.svg lime.svg

--- a/layout/reftests/svg/svg-integration/clip-path/reftest.list
+++ b/layout/reftests/svg/svg-integration/clip-path/reftest.list
@@ -51,11 +51,11 @@ fuzzy-if(webrender,64-64,1106-1106) == c
 == clip-path-inset-001b.html clip-path-inset-001-ref.html
 == clip-path-inset-001c.html clip-path-inset-001-ref.html
 # Anti-aliasing behavior for masking and borders is different
 fuzzy(64,146) == clip-path-inset-002a.html clip-path-inset-002-ref.html
 fuzzy(64,146) == clip-path-inset-002b.html clip-path-inset-002-ref.html
 fuzzy(64,146) == clip-path-inset-002c.html clip-path-inset-002-ref.html
 fuzzy(64,340) fuzzy-if(webrender,72-72,292-292) == clip-path-inset-003.html clip-path-inset-003-ref.html
 
-fuzzy-if(webrender,4-4,304-304) == clip-path-stroke-001.html clip-path-stroke-001-ref.html
+== clip-path-stroke-001.html clip-path-stroke-001-ref.html
 
 == clip-path-transform-001.html clip-path-transform-001-ref.html

--- a/layout/reftests/text-stroke/reftest.list
+++ b/layout/reftests/text-stroke/reftest.list
@@ -1,10 +1,10 @@
 # basic tests for webkit-text-stroke
 # fuzzy is needed here for platform dependent backends
 default-preferences pref(layout.css.prefixes.webkit,true)
 
 fuzzy-if(gtkWidget,255,20) fuzzy-if(winWidget,20,10) fails-if(skiaContent&&(gtkWidget||winWidget)) == webkit-text-stroke-property-001.html webkit-text-stroke-property-001-ref.html
-fuzzy-if(gtkWidget,255,20) fuzzy-if(winWidget,20,10) fails-if(skiaContent&&(gtkWidget||winWidget)) == webkit-text-stroke-property-002.html webkit-text-stroke-property-002-ref.html
+fuzzy-if(gtkWidget,255,20) fuzzy-if(winWidget,20,10) fails-if(skiaContent&&!webrender&&(gtkWidget||winWidget)) == webkit-text-stroke-property-002.html webkit-text-stroke-property-002-ref.html
 fuzzy-if(gtkWidget,255,20) fuzzy-if(winWidget,20,10) fails-if(skiaContent&&(gtkWidget||winWidget)) == webkit-text-stroke-property-003.html webkit-text-stroke-property-003-ref.html
 fuzzy-if(gtkWidget,255,20) fuzzy-if(winWidget,20,10) fails-if(skiaContent&&(gtkWidget||winWidget)) == webkit-text-stroke-property-004.html webkit-text-stroke-property-004-ref.html
 fuzzy-if(gtkWidget,255,20) fuzzy-if(winWidget,20,10) fails-if(skiaContent&&(gtkWidget||winWidget)) == webkit-text-stroke-property-005.html webkit-text-stroke-property-005-ref.html
 fuzzy-if(gtkWidget,255,392) fuzzy-if(winWidget&&!d2d,48,372) fuzzy-if(winWidget&&d2d,71,10) == webkit-text-stroke-property-006.html webkit-text-stroke-property-006-ref.html

--- a/layout/reftests/text-svgglyphs/reftest.list
+++ b/layout/reftests/text-svgglyphs/reftest.list
@@ -4,17 +4,17 @@ pref(gfx.font_rendering.opentype_svg.ena
 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)    == 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,128-128,90-90) == svg-glyph-objectgradient-zoom.svg svg-glyph-objectgradient-zoom-ref.svg
+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
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(skiaContent,2,200) == svg-glyph-paintnone.svg svg-glyph-paintnone-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(skiaContent,2,200) == svg-glyph-cachedopacity.svg svg-glyph-cachedopacity-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(cocoaWidget,255,100) == svg-glyph-objectvalue.svg svg-glyph-objectvalue-ref.svg
 pref(gfx.font_rendering.opentype_svg.enabled,true)    fuzzy-if(skiaContent,15,152) == svg-glyph-mask.svg svg-glyph-mask-ref.svg