Adding hooks for gathering total pixels painted and rasterized stats.

webkit/compositor_bindings/web_layer_tree_view_impl.cc

Index: webkit/compositor_bindings/web_layer_tree_view_impl.cc
diff --git a/webkit/compositor_bindings/web_layer_tree_view_impl.cc b/webkit/compositor_bindings/web_layer_tree_view_impl.cc
index e61a16661c3a34e5657198e13facf6d340061d51..13b83ca8decbdf95dcb125dbbb3e4a4fb3d9dd03 100644
--- a/webkit/compositor_bindings/web_layer_tree_view_impl.cc
+++ b/webkit/compositor_bindings/web_layer_tree_view_impl.cc
@@ -177,6 +177,8 @@ void WebLayerTreeViewImpl::renderingStats(WebRenderingStats& stats) const
     stats.totalRasterizeTimeInSeconds = ccStats.totalRasterizeTimeInSeconds;
     stats.totalCommitTimeInSeconds = ccStats.totalCommitTimeInSeconds;
     stats.totalCommitCount = ccStats.totalCommitCount;
+    stats.totalPixelsPainted = ccStats.totalPixelsPainted;
+    stats.totalPixelsRasterized = ccStats.totalPixelsRasterized;
     stats.numImplThreadScrolls = ccStats.numImplThreadScrolls;
     stats.numMainThreadScrolls = ccStats.numMainThreadScrolls;
 }