Bumping gaia.json for 4 gaia-central revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/ebc87df16535
Author: Gareth Aye <gaye@mozilla.com>
Desc: Merge pull request #14544 from gaye/non-native-marionette

Use non-native marionette-js-runner for buildbot

========

https://hg.mozilla.org/integration/gaia-central/rev/50345a17dc8d
Author: Gareth Aye <gaye@mozilla.com>
Desc: Use non-native marionette-js-runner for buildbot

========

https://hg.mozilla.org/integration/gaia-central/rev/6f750c8ddf5b
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #14015 from viorelaioia/bug_942220

Bug 942220 - Add explicit wait in tap_back in contact_details.py

========

https://hg.mozilla.org/integration/gaia-central/rev/a5b09f705e4f
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 942220 - Add explicit wait in tap_back in contact_details.py
Bug 947575 - Fix IPDL unit tests on windows, r=bsmedberg.

--HG--
extra : transplant_source : %04B6%5C%3A%ED3E%06o%90%1Bx%60%96b.%0F%27P
Bug 939182 - Clean up message loop code, r=bsmedberg.

--HG--
extra : transplant_source : -v1T%0A%B7%FC%B3q%CE//%D7%EB%3C%2C1%B4%F8%F1
Bug 939182 - Add 'eventWasProcessed' argument to nsIThreadObserver::afterProcessNextEvent(), r=bsmedberg.

--HG--
extra : transplant_source : %5E%80p%D6%C6A%23%0AZ%06%23%16%155%DB%CE%F5%5CEx
Bug 939182 - Integrate the chromium MessageLoop into nsThread, r=bsmedberg.

--HG--
extra : transplant_source : %82%D3%C5%E1%A4%E5%00%1C%C3%82%97v%7F%BA%20Ja%AA%C7%E5
Bug 939182 - Prevent mock timers from interfering with the message pump machinery, r=bsmedberg.

--HG--
extra : transplant_source : %2AEm%1D%2C%0Abd%83%B6%BEO%96%D4%BB%13%29%82%9D4
Bug 939196 - Allow nsThread to have nested event queues, r=bsmedberg.

--HG--
extra : transplant_source : %DE%AF%BF%7E%94%5E%07%CDL%9C%01%28%9F6%8D%90%12%95%06s
Bug 948233 - Fix an OOM issue in DoCompareFallback. r=jandem

--HG--
extra : rebase_source : 81ae3f3afc9b4773839a447737ac163f1839de2e
Bug 948023 - Refactor ReconstructStackDepth to handle OOMs. r=jandem

--HG--
extra : rebase_source : 2cec42388b624da590865dcc2f4a166f22f9ab21
Bug 487070 - a pref for enabling the lastest version of JS in Web Workers
Bug 939084 - Intermittent browser_social_chatwindow_resize.js, r=felipe

--HG--
extra : rebase_source : 4a9bc4113584492fd9ff76dd58824d0d13d6b4ff
Bug 943793 - Intermittent TEST-UNEXPECTED-FAIL | chrome://mochitests/content/browser/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_localStorage.js, r=ehsan

--HG--
extra : rebase_source : 75935389529158eaffbeed6e9f659785858ecd88
Bug 945979 - Intermittent browser_privatebrowsing_geoprompt.js, r=ehsan

--HG--
extra : rebase_source : 2ccc3019b9912e34fc20824cbed6fee943d962e4
Bug 935254 - getTextAt broken for list items, r=tbsaunde
Bug 947910 - Relax the MOZ_ASSERT(mPosition <= mDuration) in case of looping, in AudioBufferSourceNode::CopyFromBufferWithResampling. r=karlt
Bug 945655 - Make all filters deal with null inputs and empty output rects consistently: treat them as transparent. r=roc
Bug 945655 - Don't add transparency around the filter output before sending it to DrawSurface. r=roc
Bug 945655 - Simplify the crop FilterNodeSoftware filter. r=roc
Bug 945655 - Make transparent flood filters report an empty output rect. r=roc
Bug 945655 - Composite filters with operator IN have a result that is the intersection of the input rects, not the union. FilterNodeSoftware part. r=roc