Add net log entries that summarize transmit and receive byte counts.

chrome/browser/net/chrome_net_log.h

 // Copyright (c) 2010 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_NET_CHROME_NET_LOG_H_
 #define CHROME_BROWSER_NET_CHROME_NET_LOG_H_
 
 #include "base/observer_list.h"
 #include "net/base/net_log.h"
 
@@ skipping 23 matching lines @@
 
   ChromeNetLog();
   ~ChromeNetLog();
 
   // NetLog implementation:
   virtual void AddEntry(EventType type,
                         const base::TimeTicks& time,
                         const Source& source,
                         EventPhase phase,
                         EventParameters* extra_parameters);
-  virtual int NextID();
+  virtual uint32 NextID();
   virtual bool HasListener() const;
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   PassiveLogCollector* passive_collector() {
     return passive_collector_.get();
   }
 
  private:
-  int next_id_;
+  uint32 next_id_;
   scoped_ptr<PassiveLogCollector> passive_collector_;
   ObserverList<Observer, true> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNetLog);
 };
 
 #endif  // CHROME_BROWSER_NET_CHROME_NET_LOG_H_