Adding hooks for gathering total pixels painted and rasterized stats.

cc/rendering_stats.h

Index: cc/rendering_stats.h
diff --git a/cc/rendering_stats.h b/cc/rendering_stats.h
index 96634986d70fe09ce3977bba411ba89f88fa565f..495d325ff9e57f0f8f3dc7a1d75100f4df32b1af 100644
--- a/cc/rendering_stats.h
+++ b/cc/rendering_stats.h
@@ -5,34 +5,27 @@
 #ifndef CCRenderingStats_h
 #define CCRenderingStats_h
 
+#include "base/basictypes.h"
+
 namespace cc {
 
 struct RenderingStats {
     // FIXME: Rename these to animationFrameCount and screenFrameCount, crbug.com/138641.
-    int numAnimationFrames;
-    int numFramesSentToScreen;
-    int droppedFrameCount;
+    int64 numAnimationFrames;
+    int64 numFramesSentToScreen;
+    int64 droppedFrameCount;
     double totalPaintTimeInSeconds;
     double totalRasterizeTimeInSeconds;
     double totalCommitTimeInSeconds;
     size_t totalCommitCount;
-    size_t numImplThreadScrolls;
-    size_t numMainThreadScrolls;
+    int64 totalPixelsPainted;
+    int64 totalPixelsRasterized;
+    int64 numImplThreadScrolls;
+    int64 numMainThreadScrolls;
 
-    RenderingStats()
-        : numAnimationFrames(0)
-        , numFramesSentToScreen(0)
-        , droppedFrameCount(0)
-        , totalPaintTimeInSeconds(0)
-        , totalRasterizeTimeInSeconds(0)
-        , totalCommitTimeInSeconds(0)
-        , totalCommitCount(0)
-        , numImplThreadScrolls(0)
-        , numMainThreadScrolls(0)
-    {
-    }
+    RenderingStats();
 };
 
-}
+}  // namespace cc
 
 #endif