Bug 913586 (Part 9) - Add more useful features to the Maybe<T> API. r=waldo
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Bug 913586 (Part 10) - Add a test for Maybe<T>. r=waldo
Bug 1054901 - Add AsyncPanZoomStarted/Stopped notifications to scroll observers. r=roc
Bug 1055821 - Add layer construction logging. r=mattwoodrow
Bug 1057174 - [WebRTC] |DesktopDeviceInfoImpl::initializ| in desktop_device_info.cc use wrong argument while calling snprintf. r=rjesup