Merge 121076 - [chromium] LayerRendererChromium is not getting visibility messages in single thread…

Source/WebCore/platform/graphics/chromium/cc/CCSchedulerStateMachine.h

Index: Source/WebCore/platform/graphics/chromium/cc/CCSchedulerStateMachine.h
===================================================================
--- Source/WebCore/platform/graphics/chromium/cc/CCSchedulerStateMachine.h	(revision 122257)
+++ Source/WebCore/platform/graphics/chromium/cc/CCSchedulerStateMachine.h	(working copy)
@@ -120,6 +120,10 @@
     // updating of compositor resources can begin.
     void beginFrameComplete();
 
+    // Call this only in response to receiving an ACTION_BEGIN_FRAME
+    // from nextState if the client rejects the beginFrame message.
+    void beginFrameAborted();
+
     // Call this only in response to receiving an ACTION_UPDATE_MORE_RESOURCES
     // from nextState. Indicates that the specific update request completed.
     void beginUpdateMoreResourcesComplete(bool morePending);