Bug 1067748. When a solid-color display item covers everything else in its layer, make it a ColorLayer. r=tn

--HG--
extra : rebase_source : e0fdaddfd24c59531ffef865b46f948ba203acaa
Bug 1051636. Don't mark video ImageLayers as opaque. r=tn
The visible region of the layer is not necessarily restricted to the image
that is will be rendered.

Also, we don't know for sure an opaque video frame is going to appear.

--HG--
extra : rebase_source : c6e0f1f0a49b5722b917718634439f045e8a535d
Bug 1067414 - Convert CubebUtils from a class of statics to a namespace.  r=jesup

--HG--
extra : rebase_source : 14c9e6709d5cc4fe978ee7ccc6d4f1988c09dd73
Bug 1067414 - Use atomic storage for sPreferredSampleRate.  r=jesup

--HG--
extra : rebase_source : 80913b082536bc29cfa8a20af4fd0f3277dd5a36
Bug 1065235 - Apply eviction to all decoders owned by TrackBuffer and make EvictData threshold apply per-TrackBuffer rather than per-decoder.  r=cajbir

--HG--
extra : rebase_source : f4ea425c9adeece7b37a4966131a1b566377add7
Bug 1065235 - Make the SourceBuffer eviction threshold a hidden pref.  r=cajbir

--HG--
extra : rebase_source : 7c22907cc774440f599cd972792d6d55a50151a2
Bug 1065855 - Ignore updating check when setting MediaSource Duration within a SourceBuffer append - r=kinetik

--HG--
extra : rebase_source : baa31fd9d380ebf6765adb5ce89848c6dd3f4241
Bug 1065855 - Check for waiting media resources before calling ReadMetadata - r=cpearce

--HG--
extra : rebase_source : 45022c3d553e82e098908af7682cf241593b57f9
Bug 1065855 - Tests for MediaSource seekable range - r=kinetik

--HG--
extra : rebase_source : 01d29379c8e4541c72f6fcd186506ba4e9d3f28c
Bug 960762 - Re-disable notification mochitests. r=gerard-majax
Bug 962871 - Don't run GC/CC in-between tests for it is very slow and causes timeout on B2G debug. r=cpearce
Bug 962871 - release decoder and set 'preload' as appropriate. r=cpearce
Bug 962871 - enable media mochitests on B2G debug and disable some failed tests. r=cpearce
Bug 966713 - Intermittent test_cookies_read.js times out. r=mcmanus
Bug 1000634 - Only ask for the composer if we have a compositable host, when doing fencing. r=sikeda,nsilva
Bug 1067589 - fix "nargs" value for Debugger clearAllBreakpoints method. r=jimb
Bug 1067283 - Flip NS_WARNING_IF check at GLReadTexImageHelper::ReadTexImge. r=nical
Bug 1067064 - Add retn to MacroAssembler-none. r=jandem
Bug 1065244 - Part 1 - Add GetRectRelativeToFrame to nsLayoutUtils. f=mtseng, r=roc
Bug 1065244 - Part 2 - Refactor event point on frame logic for SelectionCarets. f=mtseng, r=roc