Update icons to show lowdata and very lowdata for 3G data....

chrome/browser/chromeos/status/network_menu_button.h

 // Copyright (c) 2006-2008 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_STATUS_NETWORK_MENU_BUTTON_H_
 #define CHROME_BROWSER_CHROMEOS_STATUS_NETWORK_MENU_BUTTON_H_
 #pragma once
 
 #include "app/throb_animation.h"
 #include "base/timer.h"
@@ skipping 38 matching lines @@
                           public NetworkLibrary::Observer {
  public:
   explicit NetworkMenuButton(StatusAreaHost* host);
   virtual ~NetworkMenuButton();
 
   // AnimationDelegate implementation.
   virtual void AnimationProgressed(const Animation* animation);
 
   // NetworkLibrary::Observer implementation.
   virtual void NetworkChanged(NetworkLibrary* obj);
+  virtual void CellularDataPlanChanged(NetworkLibrary* obj);
 
   // Sets the badge icon.
   void SetBadge(const SkBitmap& badge);
   SkBitmap badge() const { return badge_; }
 
  protected:
   // StatusAreaButton implementation.
   virtual void DrawPressed(gfx::Canvas* canvas);
   virtual void DrawIcon(gfx::Canvas* canvas);
 
@@ skipping 15 matching lines @@
 
   // The duration of the icon throbbing in milliseconds.
   static const int kThrobDuration;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkMenuButton);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_NETWORK_MENU_BUTTON_H_