Back out 7125de67dab5 (bug 779284) to investigate the effect on the permaorange b2g mochitest-7, a=broken-test-only
Bumping gaia.json for 2 gaia-1_2 revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-1_2/rev/49b2c7c3c5c8
Author: gasolin <gasolin@gmail.com>
Desc: fix Bug 921404 uplift

========

https://hg.mozilla.org/integration/gaia-1_2/rev/ffb2efcc0daa
Author: gasolin <gasolin@gmail.com>
Desc: Bug 921404 - [Flatfish][Lockscreen] screen clock is too small on tablet
Bumping gaia.json for 1 gaia-1_2 revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-1_2/rev/4594ebcedd05
Author: Fernando Campo <fernando.campo@o2.com>
Desc: Merge pull request #12758 from fcampo/retryCount-905173

Bug 905173 - PIN code screen should not display '3 tries left.' when loading (r=Rik)(cherry picked from commit 43091d1a13e4bbb2693f5238c80307fca36e2175)

Conflicts:
	shared/test/unit/mocks/mock_icc_helper.js
Bumping gaia.json for 1 gaia-1_2 revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-1_2/rev/46fb3f0c1386
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Bug 922582 - Remove the caller number when entering switch-calls mode r=etienne
Bug 914017 - Initialize members variables of the document hash correctly. r=sicking, a=abillings.
Bug 779284 - Implement B2G Modal dialog handling to Marionette, r=jgriffin,mdas, a=test-only
Bug 859892 - Rename JS_CANONICALIZE_NAN to JS::CanonicalizeNaN. r=Waldo, a=akeybl
Bug 926361 - Make sure mutation observers can't see the parent when unbinding. r=jst, a=abillings
Bug 917685 - Catch error thrown by nsILoadContext.associatedWindow. r=mfinkle, a=akeybl
Bug 917685 - Let complex overrides take precedence over pref overrides. r=dao, a=akeybl
Bug 920725 - Return with error in nsHtml5StreamParser::WriteStreamBytes if mLastBuffer is null. r=hsivonen, a=akeybl
Bug 915507 - Modify class Agent to inherit nsSupportsWeakReference then circular reference between Agent & AudioChannelAgent can be released. r=baku, a=test-only
Bug 924787 - [AudioManager] The checking condition should be "leave here if settings name is not for bt_sco". r=mwu, a=koi+
Bug 924378 - [Contacts API] Error in finding matching contacts for international number (00). r=bent, a=koi+
Bug 927201 - Add null check before trying to close observer service. r=mrbkap, a=koi+
Bug 919838 - Specialize ToInt32 for Float32. r=sstangl, a=lsblakk