Reports Prerender and Profile Total Bytes

chrome/browser/prerender/prerender_contents.h

Index: chrome/browser/prerender/prerender_contents.h
diff --git a/chrome/browser/prerender/prerender_contents.h b/chrome/browser/prerender/prerender_contents.h
index d657dcd02129b7df6aa7a0430e04d5e8438e0d69..ef3f7fb02b853475b9454edbedae6e79c92adaf1 100644
--- a/chrome/browser/prerender/prerender_contents.h
+++ b/chrome/browser/prerender/prerender_contents.h
@@ -303,6 +303,9 @@ class PrerenderContents : public content::NotificationObserver,
   void AddResourceThrottle(
       const base::WeakPtr<PrerenderResourceThrottle>& throttle);
 
+  // Increments the number of bytes fetched over the network for this prerender.
+  void AddNetworkBytes(int64 bytes);
+
  protected:
   PrerenderContents(PrerenderManager* prerender_manager,
                     Profile* profile,
@@ -461,6 +464,10 @@ class PrerenderContents : public content::NotificationObserver,
   // throttle on the IO thread.
   std::vector<base::WeakPtr<PrerenderResourceThrottle> > resource_throttles_;
 
+  // A running tally of the number of bytes this prerender has caused to be
+  // transferred over the network for resources.  Updated with AddNetworkBytes.
+  int64 network_bytes_;
+
   DISALLOW_COPY_AND_ASSIGN(PrerenderContents);
 };