Bug 874679 - Clear JS holders when they are unrooted. r=smaug
Bug 886080 - Change test annotation from random-if to skip-if.
Bug 888602 - Add null-check in mozInlineSpellChecker::ReplaceWord. r=ehsan
Bug 899349 - Re-enable the 366537-1.xhtml crashtest (presumed fixed by bug 874073). r=ryanvm
Bug 901610 - Use nsStyleDisplay::IsRelativelyPositionedStyle in nsLineLayout. r=dbaron
Bug 901610 - Use nsStyleDisplay::IsRelativelyPositioned in constructing frames for IB splits. r=dbaron
Bug 902103 - [SkiaGL] Free Layer resource when CanvasContext got demoted. r=snorp, r=gw280

Set mResetLayer as true when CanvasContext got demoted to free the resource owned by CanvasLayer, like GLContext/GLScreenBuffer.
Bug 899171 - Use mozprofile in the reftest harness. r=ahal