Cleanup: Remove unneeded includes of notification_service.h in other headers....

chrome/browser/chromeos/status/input_method_menu.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_STATUS_INPUT_METHOD_MENU_H_
 #define CHROME_BROWSER_CHROMEOS_STATUS_INPUT_METHOD_MENU_H_
 #pragma once
 
+#include <string>
+
 #include "app/menus/simple_menu_model.h"
 #include "chrome/browser/chromeos/cros/input_method_library.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
-#include "chrome/common/notification_service.h"
 #include "chrome/common/notification_type.h"
 #include "views/controls/menu/menu_2.h"
 #include "views/controls/menu/view_menu_delegate.h"
 
 class PrefService;
 class SkBitmap;
 
 namespace chromeos {
 
 // A class for the dropdown menu for switching input method and keyboard layout.
@@ skipping 141 matching lines @@
   const bool is_browser_mode_;
   const bool is_screen_locker_mode_;
   const bool is_out_of_box_experience_mode_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodMenu);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_INPUT_METHOD_MENU_H_