Merge 114800 - [chromium] Plumb a compositor surface ready notification through to the threaded com…

Source/WebCore/platform/graphics/chromium/cc/CCThreadProxy.cpp

Index: Source/WebCore/platform/graphics/chromium/cc/CCThreadProxy.cpp
===================================================================
--- Source/WebCore/platform/graphics/chromium/cc/CCThreadProxy.cpp	(revision 114977)
+++ Source/WebCore/platform/graphics/chromium/cc/CCThreadProxy.cpp	(working copy)
@@ -180,6 +180,18 @@
     return true;
 }
 
+void CCThreadProxy::setSurfaceReady()
+{
+    TRACE_EVENT0("cc", "CCThreadProxy::setSurfaceReady");
+    CCProxy::implThread()->postTask(createCCThreadTask(this, &CCThreadProxy::setSurfaceReadyOnImplThread));
+}
+
+void CCThreadProxy::setSurfaceReadyOnImplThread()
+{
+    TRACE_EVENT0("cc", "CCThreadProxy::setSurfaceReadyOnImplThread");
+    m_schedulerOnImplThread->setCanBeginFrame(true);
+}
+
 bool CCThreadProxy::initializeLayerRenderer()
 {
     TRACE_EVENT("CCThreadProxy::initializeLayerRenderer", this, 0);
@@ -712,7 +724,6 @@
     const double displayRefreshInterval = 1.0 / 60.0;
     OwnPtr<CCFrameRateController> frameRateController = adoptPtr(new CCFrameRateController(CCDelayBasedTimeSource::create(displayRefreshInterval, CCProxy::implThread())));
     m_schedulerOnImplThread = CCScheduler::create(this, frameRateController.release());
-    m_schedulerOnImplThread->setCanBeginFrame(true); // FIXME: Set this when we actually can begin a frame.
     m_schedulerOnImplThread->setVisible(m_layerTreeHostImpl->visible());
 
     m_inputHandlerOnImplThread = CCInputHandler::create(m_layerTreeHostImpl.get());