Bug 942950: Avoid calling done_cb in the wrong order, or multiple times. r=ekr,abr
Bug 951413 - Really unsuppress inner window docs on detach from docshell. (r=smaug)
Bug 946273 part 1: Add reftests for box-sizing on horizontal flex container and on flex items with "width" set in horizontal container. r=mats
Bug 946273 part 2: Add reftest for box-sizing on flex items with "flex-basis" set, instead of "width". r=mats

--HG--
rename : layout/reftests/flexbox/flexbox-box-sizing-on-items-horiz-1a.html => layout/reftests/flexbox/flexbox-box-sizing-on-items-horiz-1b.html
Bug 946273 part 3: Add reftests for box-sizing on vertical flex container and on flex items in vertical container. r=mats

--HG--
rename : layout/reftests/flexbox/flexbox-box-sizing-on-container-horiz-1-ref.html => layout/reftests/flexbox/flexbox-box-sizing-on-container-vert-1-ref.html
rename : layout/reftests/flexbox/flexbox-box-sizing-on-container-horiz-1.html => layout/reftests/flexbox/flexbox-box-sizing-on-container-vert-1.html
rename : layout/reftests/flexbox/flexbox-box-sizing-on-items-horiz-1-ref.html => layout/reftests/flexbox/flexbox-box-sizing-on-items-vert-1-ref.html
rename : layout/reftests/flexbox/flexbox-box-sizing-on-items-horiz-1a.html => layout/reftests/flexbox/flexbox-box-sizing-on-items-vert-1a.html
rename : layout/reftests/flexbox/flexbox-box-sizing-on-items-horiz-1a.html => layout/reftests/flexbox/flexbox-box-sizing-on-items-vert-1b.html
Bug 946042 - Add all SIMD functions to the interpreter. r=till
Bug 948269 - Split MediaDecoderStateMachine::AudioLoop out into new AudioSink class.  r=cpearce
Bug 952344 - Allow AutoAssertNoGC to be used safely off-thread; r=sfink
Land bug 950452. r=jandem

--HG--
extra : rebase_source : 43f49a241cd6553bd4160df3bc9c316c64fbc746
Bug 950909 - Forward native aggregation to the root XPCWrappedJS. r=mccr8,sr=smaug
Bug 950909 - Tests. r=smaug
Bug 940811 - Enable the gradient cache for canvas. r=Bas
Backed out changeset 1035869d1819 (bug 950452) for jit-test failures
Backed out changeset 2e2c930a960c (bug 948269) for android 4.0 mochitest-2 permaorange
Backed out changeset 4330724d9e05 (bug 940811) for breaking builds
Merge m-c to inbound
Bug 952270 - Null check result of GetPathForLengthOrPositionMeasuring in nsSVGTextFrame2::GetTextPath. r=longsonr
Bug 952073.  Fix codegen to actually work correctly for the case of a nullable union dictionary member with no default value.  r=dzbarsky

This fix just makes us take the normal Optional codepath for this case, since there is no weirdness here.