Bug 863966 - Improve perf of querySelector by caching selector list. r=bz
Bug 919090 - Let content processes use sigaction and tgkill if profiling enabled. r=kang
Bug 923354 - Exclude MacroAssembler.h on non ION builds. r=luke
Bug 893309 - Implement TrackEvent. r=cpearce
Bug 893309 - Part b: Expose TrackEvent as a property on the window. r=smaug
Bug 915598 - Allow strong references to DOMRequestIPCHelper message listeners. Part 1: DOMRequestHelper. r=fabrice
Bug 915598 - Allow strong references to DOMRequestIPCHelper message listeners. Part 2: Add Ci.nsISupportsWeakReference were needed. r=fabrice
Bug 915598 - Allow strong references to DOMRequestIPCHelper message listeners. Part 3: Webapps usage. r=fabrice
Bug 915598 - Allow strong references to DOMRequestIPCHelper message listeners. Part 4: Tests. r=fabrice
Bug 900285 - IonMonkey: Ensure context of IC's call. r=nbp
Back out 99b749ea1fb9 (bug 863966) on suspicion of causing frequent Android robocop-2 crashes
Merge m-c to m-i
Bug 923489 - Part a: qualify paths in memory/jemalloc/; r=gps
Bug 923489 - Part b: qualify paths in memory/replace/jemalloc/; r=gps
Bug 923489 - Part c: qualify paths in memory/replace/dmd/; r=gps
Bug 923417 - Enabling DataStore for b2g and Desktop (non-release build), r=khuey
Bug 921902 - Fix --disable-ion builds.
Bug 916985 - nsDSURIContentListener::DoContent does not handle CreateContentViewer failures correctly. r=bz
Bumping gaia.json for 4 gaia-central revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/3d86acf2f2d8
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Merge pull request #12626 from etiennesegonzac/bug-920422-add-call-workflow

Bug 920422 - Showing the contacts tab when we place a new call from the call screen. r=rik

========

https://hg.mozilla.org/integration/gaia-central/rev/018e6094ab33
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Bug 920422 - Showing the contacts tab when we place a new call from the
call screen.
r=rik

========

https://hg.mozilla.org/integration/gaia-central/rev/f424392e7f53
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Merge pull request #12585 from etiennesegonzac/bug-915573-custom-tel-type

Bug 915573 - Do not translate custom phone types in the call screen additional infos. r=rik

========

https://hg.mozilla.org/integration/gaia-central/rev/362bf7cae7f3
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Bug 915573 - Do not translate custom phone types in the call screen
additional infos. r=rik
Merge m-c to b-i