Clean up code by removing network traffic code in network library....

chrome/browser/chromeos/network_message_observer.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_CHROMEOS_NETWORK_MESSAGE_OBSERVER_H_
 #define CHROME_BROWSER_CHROMEOS_NETWORK_MESSAGE_OBSERVER_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 15 matching lines @@
 class NetworkMessageObserver : public NetworkLibrary::Observer {
  public:
   explicit NetworkMessageObserver(Profile* profile);
   virtual ~NetworkMessageObserver();
 
   typedef std::map<std::string, WifiNetwork> ServicePathWifiMap;
   typedef std::map<std::string, CellularNetwork> ServicePathCellularMap;
  private:
   virtual void CreateModalPopup(views::WindowDelegate* view);
 
+  // NetworkLibrary::Observer implementation.
   virtual void NetworkChanged(NetworkLibrary* obj);
-  virtual void NetworkTraffic(NetworkLibrary* obj, int traffic_type) {}
 
   bool initialized_;
   // Wifi networks by service path.
   ServicePathWifiMap wifi_networks_;
   // Cellular networks by service path.
   ServicePathCellularMap cellular_networks_;
   SystemNotification notification_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkMessageObserver);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_NETWORK_MESSAGE_OBSERVER_H_