Reports Prerender and Profile Total Bytes

chrome/browser/prerender/prerender_contents.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_CONTENTS_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_CONTENTS_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 285 matching lines @@
                          base::Time earliest_create_date);
 
   static const int kNumCookieStatuses;
 
   // Called when a PrerenderResourceThrottle defers a request. If the prerender
   // is used it'll be resumed on the IO thread, otherwise they will get
   // cancelled automatically if prerendering is cancelled.
   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,
                     const GURL& url,
                     const content::Referrer& referrer,
                     Origin origin,
                     uint8 experiment_id);
 
   // Set the final status for how the PrerenderContents was used. This
   // should only be called once, and should be called before the prerender
@@ skipping 138 matching lines @@
       alias_session_storage_namespace;
 
   // Indicates what internal cookie events (see prerender_contents.cc) have
   // occurred, using 1 bit for each possible InternalCookieEvent.
   int cookie_status_;
 
   // Resources that are throttled, pending a prerender use. Can only access a
   // 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);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_CONTENTS_H_