--- a/dom/canvas/crashtests/crashtests.list
+++ b/dom/canvas/crashtests/crashtests.list
@@ -4,20 +4,20 @@ load 360293-1.html
 load 421715-1.html
 load 553938-1.html
 load 647480.html
 load 727547.html
 load 729116.html
 load 745699-1.html
 load 746813-1.html
 load 743499-negative-size.html
-skip-if(Android||B2G) load 745818-large-source.html # Bug XXX - Crashes Android/B2G mid-run w/o a stack
+skip-if(Android) load 745818-large-source.html # Bug XXX - Crashes Android mid-run w/o a stack
 load 767337-1.html
-skip-if(Android||B2G) load 780392-1.html # bug 833371 for B2G
-skip-if(Android||B2G) skip-if(gtkWidget&&isDebugBuild) load 789933-1.html # bug 833371 for B2G, bug 1155252 for linux
+skip-if(Android) load 780392-1.html
+skip-if(Android) skip-if(gtkWidget&&isDebugBuild) load 789933-1.html # bug 1155252 for linux
 load 794463-1.html
 load 802926-1.html
 load 896047-1.html
 load 916128-1.html
 load 934939-1.html
 load 1099143-1.html
 load 1161277-1.html
 load 1183363.html

--- a/dom/canvas/test/chrome/chrome.ini
+++ b/dom/canvas/test/chrome/chrome.ini
@@ -1,8 +1,8 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g' || os == 'android'
+skip-if = os == 'android'
 support-files = nonchrome_webgl_debug_renderer_info.html
 
 [test_webgl_debug_renderer_info.html]
 subsuite = gpu
 [test_drawWindow_widget_layers.html]
 support-files = ../file_drawWindow_source.html ../file_drawWindow_common.js

--- a/dom/canvas/test/mochitest.ini
+++ b/dom/canvas/test/mochitest.ini
@@ -149,28 +149,28 @@ skip-if = toolkit != 'cocoa'
 # See bug 512647.
 [test_2d.gradient.radial.cone.shape2.html]
 disabled = bug 512647
 [test_2d.gradient.radial.cone.behind.html]
 disabled = bug 512647
 [test_2d.gradient.radial.cone.beside.html]
 disabled = bug 512647
 # This is an issue with Quartz's handling of radial gradients and some numeric
-# imprecision that results in errors here. SkiaGL (on Android/Gonk) also has
+# imprecision that results in errors here. SkiaGL (on Android) also has
 # a similar problem.
 [test_2d.gradient.radial.inside2.html]
-skip-if = toolkit == 'cocoa' || toolkit == 'android' || toolkit == 'gonk'
+skip-if = toolkit == 'cocoa' || toolkit == 'android'
 [test_2d.gradient.radial.inside3.html]
-skip-if = toolkit == 'cocoa' || toolkit == 'android' || toolkit == 'gonk'
+skip-if = toolkit == 'cocoa' || toolkit == 'android'
 [test_2d.gradient.radial.outside1.html]
-skip-if = toolkit == 'cocoa' || toolkit == 'android' || toolkit == 'gonk'
+skip-if = toolkit == 'cocoa' || toolkit == 'android'
 [test_2d.gradient.radial.cone.front.html]
-skip-if = toolkit == 'cocoa' || toolkit == 'android' || toolkit == 'gonk'
+skip-if = toolkit == 'cocoa' || toolkit == 'android'
 [test_2d.gradient.radial.cone.top.html]
-skip-if = toolkit == 'cocoa' || toolkit == 'android' || toolkit == 'gonk'
+skip-if = toolkit == 'cocoa' || toolkit == 'android'
 # Tests that fail on non-Mac (bug 407107)
 [test_2d.gradient.radial.outside2.html]
 skip-if = toolkit != 'cocoa'
 [test_2d.gradient.radial.outside3.html]
 disabled = bug 1038277
 # These tests only pass on Mac OS X >= 10.5; see bug 450114
 [test_2d.gradient.radial.touch1.html]
 disabled = bug 450114
@@ -201,38 +201,36 @@ skip-if = toolkit != 'cocoa'
 disabled = bug 407107
 [test_2d.strokeRect.zero.5.html]
 [test_bitmaprenderer.html]
 [test_bug232227.html]
 [test_bug613794.html]
 [test_bug764125.html]
 [test_bug856472.html]
 [test_bug866575.html]
-skip-if = (toolkit == 'gonk' && debug) #bug 1045153
 [test_bug902651.html]
 [test_bug1215072.html]
 subsuite = gpu
 [test_canvas.html]
-skip-if = (toolkit == 'gonk' && debug) || (android_version == '18' && debug) #debug-only crash; bug 933541 #android 4.3 debug bug 1143317
+skip-if = (android_version == '18' && debug) #android 4.3 debug bug 1143317
 [test_canvas_focusring.html]
-skip-if = (toolkit == 'gonk' && !debug) || os == 'win' #specialpowers.wrap
+skip-if = os == 'win'
 [test_canvas_font_setter.html]
 [test_canvas_path.html]
 [test_hitregion_canvas.html]
 [test_hitregion_event.html]
-skip-if = os == "android" || appname == "b2g"
+skip-if = os == "android"
 [test_canvas_strokeStyle_getter.html]
 [test_capture.html]
 support-files = captureStream_common.js
 [test_drawImageIncomplete.html]
 [test_drawImage_document_domain.html]
 [test_drawImage_edge_cases.html]
 [test_drawWindow.html]
 support-files = file_drawWindow_source.html file_drawWindow_common.js
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk')
 [test_imagebitmap.html]
 tags = imagebitmap
 [test_imagebitmap_close.html]
 tags = imagebitmap
 [test_imagebitmap_cropping.html]
 tags = imagebitmap
 [test_imagebitmap_extensions.html]
 tags = imagebitmap
@@ -253,17 +251,16 @@ tags = imagebitmap
 [test_mozGetAsFile.html]
 [test_strokeText_throw.html]
 [test_toBlob.html]
 [test_toDataURL_alpha.html]
 [test_toDataURL_lowercase_ascii.html]
 [test_toDataURL_parameters.html]
 [test_windingRuleUndefined.html]
 [test_2d.fillText.gradient.html]
-skip-if = (buildapp == 'b2g' && toolkit != 'gonk') # bug 1040965
 [test_2d_composite_canvaspattern_setTransform.html]
 [test_createPattern_broken.html]
 [test_filter.html]
 skip-if = (e10s && debug && os == 'win')
 [test_filter_tainted.html]
 [test_offscreencanvas_toblob.html]
 subsuite = gpu
 tags = offscreencanvas

--- a/dom/canvas/test/reftest/reftest.list
+++ b/dom/canvas/test/reftest/reftest.list
@@ -122,27 +122,28 @@ skip-if(Android) pref(webgl.force-layers
 skip-if(Android) == webgl-hanging-scissor-test.html?__  wrapper.html?green.png
 skip-if(Android) == webgl-hanging-scissor-test.html?aa  wrapper.html?green.png
 skip-if(Android) pref(webgl.force-layers-readback,true)  == webgl-hanging-scissor-test.html?readback&__  wrapper.html?green.png
 skip-if(Android) pref(webgl.force-layers-readback,true)  == webgl-hanging-scissor-test.html?readback&aa  wrapper.html?green.png
 
 
 # Check that our experimental prefs still work:
 
-# 16bpp for Android/B2G: [16bpp] * PowerSet([readback, premult, alpha])
+# 16bpp for Android: [16bpp] * PowerSet([readback, premult, alpha])
 # RGB565 dithers 127 to [123,132]. (Max error: 5)
 # RGBA4444 dithers 128 to [119,136], and 191 to [192]. (Max error: 9)
-fuzzy(5,30000) skip-if(!(Android||B2G)) skip-if(Android) pref(webgl.prefer-16bpp,true)                                         == webgl-color-test.html?16bpp&________&_______&_____  wrapper.html?colors-no-alpha.png
-fuzzy(5,30000) skip-if(!(Android||B2G)) skip-if(Android) pref(webgl.prefer-16bpp,true) pref(webgl.force-layers-readback,true)  == webgl-color-test.html?16bpp&readback&_______&_____  wrapper.html?colors-no-alpha.png
-fuzzy(5,30000) skip-if(!(Android||B2G)) skip-if(Android) pref(webgl.prefer-16bpp,true)                                         == webgl-color-test.html?16bpp&________&premult&_____  wrapper.html?colors-no-alpha.png
-fuzzy(5,30000) skip-if(!(Android||B2G)) skip-if(Android) pref(webgl.prefer-16bpp,true) pref(webgl.force-layers-readback,true)  == webgl-color-test.html?16bpp&readback&premult&_____  wrapper.html?colors-no-alpha.png
-fuzzy(9,40000) skip-if(!(Android||B2G)) skip-if(Android) pref(webgl.prefer-16bpp,true)                                         == webgl-color-test.html?16bpp&________&_______&alpha  wrapper.html?colors-non-premult.png
-fuzzy(9,40000) skip-if(!(Android||B2G)) skip-if(Android) pref(webgl.prefer-16bpp,true) pref(webgl.force-layers-readback,true)  == webgl-color-test.html?16bpp&readback&_______&alpha  wrapper.html?colors-non-premult.png
-fuzzy(9,40000) skip-if(!(Android||B2G)) skip-if(Android) pref(webgl.prefer-16bpp,true)                                         == webgl-color-test.html?16bpp&________&premult&alpha  wrapper.html?colors-premult.png
-fuzzy(9,40000) skip-if(!(Android||B2G)) skip-if(Android) pref(webgl.prefer-16bpp,true) pref(webgl.force-layers-readback,true)  == webgl-color-test.html?16bpp&readback&premult&alpha  wrapper.html?colors-premult.png
+# Bug 1285531 - tests disabled for memory corruption
+fuzzy(5,30000) skip pref(webgl.prefer-16bpp,true)                                         == webgl-color-test.html?16bpp&________&_______&_____  wrapper.html?colors-no-alpha.png
+fuzzy(5,30000) skip pref(webgl.prefer-16bpp,true) pref(webgl.force-layers-readback,true)  == webgl-color-test.html?16bpp&readback&_______&_____  wrapper.html?colors-no-alpha.png
+fuzzy(5,30000) skip pref(webgl.prefer-16bpp,true)                                         == webgl-color-test.html?16bpp&________&premult&_____  wrapper.html?colors-no-alpha.png
+fuzzy(5,30000) skip pref(webgl.prefer-16bpp,true) pref(webgl.force-layers-readback,true)  == webgl-color-test.html?16bpp&readback&premult&_____  wrapper.html?colors-no-alpha.png
+fuzzy(9,40000) skip pref(webgl.prefer-16bpp,true)                                         == webgl-color-test.html?16bpp&________&_______&alpha  wrapper.html?colors-non-premult.png
+fuzzy(9,40000) skip pref(webgl.prefer-16bpp,true) pref(webgl.force-layers-readback,true)  == webgl-color-test.html?16bpp&readback&_______&alpha  wrapper.html?colors-non-premult.png
+fuzzy(9,40000) skip pref(webgl.prefer-16bpp,true)                                         == webgl-color-test.html?16bpp&________&premult&alpha  wrapper.html?colors-premult.png
+fuzzy(9,40000) skip pref(webgl.prefer-16bpp,true) pref(webgl.force-layers-readback,true)  == webgl-color-test.html?16bpp&readback&premult&alpha  wrapper.html?colors-premult.png
 
 # Force native GL (Windows):
 skip-if(!winWidget) pref(webgl.disable-angle,true)  == webgl-color-test.html?native-gl  wrapper.html?colors-no-alpha.png
 
 
 # Non-WebGL Reftests!
 
 # Do we correctly handle multiple clip paths?
@@ -151,18 +152,18 @@ skip-if(!winWidget) pref(webgl.disable-a
 # Bug 1255062
 == clip-multiple-move-1.html clip-multiple-move-1-ref.html
 == clip-multiple-move-2.html clip-multiple-move-2-ref.html
 
 # Bug 815648
 == stroketext-shadow.html stroketext-shadow-ref.html
 
 # focus rings
-pref(canvas.focusring.enabled,true) skip-if(B2G) skip-if(cocoaWidget) skip-if(winWidget) needs-focus == drawFocusIfNeeded.html drawFocusIfNeeded-ref.html
-pref(canvas.customfocusring.enabled,true) skip-if(B2G) skip-if(cocoaWidget) skip-if(Android) skip-if(winWidget) fuzzy-if(gtkWidget,64,410) needs-focus == drawCustomFocusRing.html drawCustomFocusRing-ref.html
+pref(canvas.focusring.enabled,true) skip-if(cocoaWidget) skip-if(winWidget) needs-focus == drawFocusIfNeeded.html drawFocusIfNeeded-ref.html
+pref(canvas.customfocusring.enabled,true) skip-if(Android||cocoaWidget||winWidget) fuzzy-if(gtkWidget,64,410) needs-focus == drawCustomFocusRing.html drawCustomFocusRing-ref.html
 
 # Check that captureStream() displays in a local video element
 == capturestream.html wrapper.html?green.png
 
 fuzzy-if(azureSkia,16,2) fuzzy-if(Android,3,40) fuzzy-if(/^Windows\x20NT\x2010\.0/.test(http.oscpu),1,1) == 1177726-text-stroke-bounds.html 1177726-text-stroke-bounds-ref.html
 
 # Canvas Filter Reftests
 include filters/reftest.list

--- a/dom/canvas/test/webgl-mochitest/mochitest.ini
+++ b/dom/canvas/test/webgl-mochitest/mochitest.ini
@@ -1,11 +1,10 @@
 [DEFAULT]
 subsuite = webgl
-skip-if = ((os == 'linux') && (buildapp == 'b2g'))
 
 support-files =
   ensure-exts/ensure-ext.js
   driver-info.js
   es3-data.js
   webgl-util.js
 
 [ensure-exts/test_ANGLE_instanced_arrays.html]
@@ -46,30 +45,28 @@ fail-if = (os == 'android') || (os == 'w
 [ensure-exts/test_common.html]
 
 
 [regress/test_bug_1268096.html]
 
 
 [test_backends.html]
 [test_backbuffer_channels.html]
-fail-if = (os == 'b2g')
 [test_depth_readpixels.html]
 [test_canvas_size.html]
 [test_capture.html]
 support-files = ../captureStream_common.js
 # Even though we use ../ here, in the test HTML, we need to omit this. Sub-CWD relative
 # paths are fine, but they locate the file and dump it in the current directory.
 [test_cubemap_must_be_square.html]
 [test_depth_tex_lazy_clear.html]
 [test_draw.html]
 [test_fb_param.html]
 [test_fb_param_crash.html]
 [test_hidden_alpha.html]
-skip-if = (os == 'b2g') || buildapp == 'mulet' # Mulet - bug 1093639 (crashes in libLLVM-3.0.so)
 [test_hidden_depth_stencil.html]
 fail-if = (os == 'win' && os_version == '5.1')
 [test_implicit_color_buffer_float.html]
 [test_highp_fs.html]
 [test_no_arr_points.html]
 skip-if = android_version == '18' #Android 4.3 aws only; bug 1030942
 [test_noprog_draw.html]
 [test_pixel_pack_buffer.html]