bug 877203 - Replace Open Sans with Clear Sans r=mfinkle

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extra : rebase_source : 54bab64785c16422b0af9b4b376173bd56ab939e
bug 867517 - Gecko-based WebView for Android, move touch handling to LayerView r=blassey
bug 867517 - Gecko-based WebView for Android, add GeckoView r=mfinkle
Bug 874295. On non-Android platforms (and eventually for Android), use call GetDefaultScale instead of GetDevicePixelsPerMetaViewportPixel. r=mbrubeck

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extra : rebase_source : 9c0544baccfe277e9340d185f189eda174923eb4
Bug 872254. Clear line/row cursors when overflow areas of lines or table rows change. r=bz

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extra : rebase_source : 81c1c4269e22ffad98433669ef152002b9d63533
Bug 868405. Part 1: Add a few MOZ_OVERRIDES. r=jesup

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extra : rebase_source : 9fce360b62677439a353b2fb81d9bab92b659d13
Bug 868405. Support 'enabled' attribute on MediaStreamTrack. r=jesup

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extra : rebase_source : ec29ae2e45979baaf1b6a085549755ba86cadd40
Back out 12f538f501b9 (bug 790765) for intermittent failure