cc: Improve frame/commit accounting

cc/thread_proxy.cc

Index: cc/thread_proxy.cc
diff --git a/cc/thread_proxy.cc b/cc/thread_proxy.cc
index 2e1e74d3bd4e3353c6b7d3007b7b60938afb1e10..fa8748b411c312b232316c97742756f1f19bd12c 100644
--- a/cc/thread_proxy.cc
+++ b/cc/thread_proxy.cc
@@ -9,6 +9,7 @@
 #include "CCDelayBasedTimeSource.h"
 #include "CCDrawQuad.h"
 #include "CCFrameRateController.h"
+#include "CCFrameRateCounter.h"
 #include "CCGraphicsContext.h"
 #include "CCInputHandler.h"
 #include "CCLayerTreeHost.h"
@@ -318,6 +319,7 @@ void CCThreadProxy::onVSyncParametersChanged(double monotonicTimebase, double in
     base::TimeTicks timebase = base::TimeTicks::FromInternalValue(monotonicTimebase * base::Time::kMicrosecondsPerSecond);
     base::TimeDelta interval = base::TimeDelta::FromMicroseconds(intervalInSeconds * base::Time::kMicrosecondsPerSecond);
     m_schedulerOnImplThread->setTimebaseAndInterval(timebase, interval);
+    m_layerTreeHostImpl->fpsCounter()->setTimebaseAndInterval(timebase, interval);
 }
 
 void CCThreadProxy::onCanDrawStateChanged(bool canDraw)
@@ -895,6 +897,7 @@ void CCThreadProxy::initializeRendererOnImplThread(CCCompletionEvent* completion
         *capabilities = m_layerTreeHostImpl->rendererCapabilities();
         m_schedulerOnImplThread->setSwapBuffersCompleteSupported(
                 capabilities->usingSwapCompleteCallback);
+        onVSyncParametersChanged(0, 1/60.0);
     }
 
     completion->signal();