Bug 873944 - Add FlushRendering API to the compositor interface. r=nrc
Bug 873944 - Remove unecessarily callers to nsView::Invalidate. r=roc
Bug 873944 - When we have OMTC, don't invalidate and wait for the widget paint event, just call DidPaint immediately. If we do get a widget paint event (from an OS initiated resize or similar), then block until the compositor has drawn the frame. r=roc
Bug 876626 - Always redraw the entire reftest canvas for async animations tests. r=roc
Bug 876626 - Make CanAnimateProperty correclty respect the CanAnimate_AllowPartial flag. r=dzbarsky