Bug 934843 - Remove assertion that focus is never on popup windows. r=roc, a=Preeti

If an application has received focus from the window manager, but doesn't
reassign focus to a child window before closing its focus window, focus can
temporarily revert to PointerRoot before the window manager gives focus to
another window.  During PointerRoot focus, the window until the pointer has
focus even if it is an override-redirect window.

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extra : rebase_source : 521cbc7d377a66c160fcd35e796ad34a5aa44c44
Bug 936409 - Intermittent failure | chrome://mochitests/content/browser/dom/indexedDB/test/browser_perwindow_privateBrowsing.js | Test timed out. r=ehsan, a=test-only

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extra : rebase_source : 84ce7e9ce9037379aaac26f1ae4b87315c9fcde9
Bug 942152. r=dkeeler, r=honzab, a=lsblakk

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extra : rebase_source : 64d94c76722f676d45982db1f41cd7fc38b9c3e0
Bug 921470 - Remove hasFallbackStub_ check in resetMonitorStubChain. r=djvj, a=lsblakk

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extra : rebase_source : 19decd40b2ac18b537d26dc3adb00e35b3e64a17
Bug 947856 - Mute the background content audio channel when playing any foreground normal video channel. r=mchen, a=koi+

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extra : rebase_source : 1c31314d4cfd0c204c83d2136918f2bf35295e26
Bug 948134 - Fix "value is not defined" in PlacesDBUtils.jsm. r=adw, a=typo

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extra : rebase_source : 280f3ce81a4f8cd3a230d0cc441a9a9ac9917fbc
Bug 942730 - Allow Marionette to type into input type=number fields. r=mdas, a=test-only

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extra : rebase_source : c222cf1b4167db95079cb5e1a88fcf97f5eb5903
Bug 920952 - Flush metro test harness output. r=bbondy, a=test-only

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extra : rebase_source : 98b2e8589ed81ffe06a22d23af99ceaa7c480b11