Cleanup: Remove unneeded forward declarations from chrome/browser/chromeos.

chrome/browser/chromeos/status/network_menu.h

 // Copyright (c) 2011 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_H_
 #define CHROME_BROWSER_CHROMEOS_STATUS_NETWORK_MENU_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/cros/network_library.h"  // ConnectionType
 #include "ui/gfx/native_widget_types.h"  // gfx::NativeWindow
 #include "views/controls/menu/view_menu_delegate.h"
 
-namespace {
-
-const int kMainCommandIndexOffset = 1000;
-const int kVPNCommandIndexOffset  = 2000;
-const int kMoreCommandIndexOffset = 3000;
-
-}  // namespace
-
-class SkBitmap;
-
-namespace gfx {
-class Canvas;
-}
-
 namespace ui {
 class MenuModel;
 }
 
 namespace views {
 class MenuItemView;
 class MenuButton;
 class MenuModelAdapter;
 class MenuRunner;
 }
@@ skipping 88 matching lines @@
 
   // Holds minimum width of the menu.
   int min_width_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkMenu);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_NETWORK_MENU_H_