Bug 991512: Add convenience methods to calculate outer main & cross size of a FlexItem. r=mats
Bug 991069 - Optimize MPostWriteBarrier OOL path to not save non-volatile regs. r=terrence
Bug 967296 - Remove diagnostic code added in bug 946929.  r=tn
Bug 990655 - Don't apply 'text-overflow' to nsComboboxControlFrame, its anon block deals with it.  r=roc
Bug 989504 - [e10s] Disable test_window_open_position_constraint.html in e10s (r=roc)
Bug 991234 -- Squelch warning r=h4writer
Bug 977126 Part 1 -- Changes to arm to support subPtr(Register,Address) r=mjrosenb
Bug 977126 Part 2 -- Changes to x86/x64 to support subPtr(Register,Address) r=jandem
Bug 977126 Part 3 -- Inline SetTypedObjectOffset intrinsic r=shu
Merge m-c to inbound.
Bug 976205 - Uncaught async exceptions now cause xpcshell tests to fail. r=paolo, r=ted
Bug 988409 - Turn on Path2D by default. r=roc, r=bz
Bug 989042 - Use waitid() only on Gonk; unbreak BSD build. r=bsmedberg
Bug 986317 - Stop exposing urgent semantics in IPDL files (r=bent)
Backed out 3 changesets (bug 977126) for mochitest-2 bustage on Windows

Backed out changeset 2daa537b62e6 (bug 977126)
Backed out changeset d87a13b71afc (bug 977126)
Backed out changeset 3bd335914852 (bug 977126)
Backed out changeset 533e61eb95d3 (bug 991234) for mochitest-2 bustage on Windows
Bug 991242: Remove Marionette unit test as this is covered by Gaia testing; r=jgriffin
Bug 967179: Enable b2g tests that do not need to be disabled; r=mdas
Bug 991727 - Update mozprocess version due to API change, r=ahal
Bug 991448 - Skip Theora decode to next keyframe after seek, so that we don't get visual artifacts after a fastSeek. r=cajbir