cc: Improve frame/commit accounting

cc/layer_tree_host.cc

Index: cc/layer_tree_host.cc
diff --git a/cc/layer_tree_host.cc b/cc/layer_tree_host.cc
index 8d4d63b47f56d07804af7aa56f7a177aad7fba68..90f3932f91a10f47f88228896dd6862c1e15b52f 100644
--- a/cc/layer_tree_host.cc
+++ b/cc/layer_tree_host.cc
@@ -229,7 +229,7 @@ void CCLayerTreeHost::updateAnimations(double monotonicFrameBeginTime)
     animateLayers(monotonicFrameBeginTime);
     m_animating = false;
 
-    m_renderingStats.numAnimationFrames++;
+    m_renderingStats.mainAnimationFrameCount++;
 }
 
 void CCLayerTreeHost::layout()
@@ -780,7 +780,7 @@ void CCLayerTreeHost::animateLayers(double monotonicTime)
     if (!CCSettings::acceleratedAnimationEnabled() || !m_needsAnimateLayers)
         return;
 
-    TRACE_EVENT0("cc", "CCLayerTreeHostImpl::animateLayers");
+    TRACE_EVENT0("cc", "CCLayerTreeHost::animateLayers");
     m_needsAnimateLayers = animateLayersRecursive(m_rootLayer.get(), monotonicTime);
 }
 
@@ -801,7 +801,6 @@ bool CCLayerTreeHost::animateLayersRecursive(LayerChromium* current, double mono
         if (animateLayersRecursive(current->children()[i].get(), monotonicTime))
             subtreeNeedsAnimateLayers = true;
     }
-
     return subtreeNeedsAnimateLayers;
 }