Reduce CPU usage for input method switching.

chrome/browser/chromeos/status/input_method_menu_button.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_BUTTON_H_
 #define CHROME_BROWSER_CHROMEOS_STATUS_INPUT_METHOD_MENU_BUTTON_H_
 #pragma once
 
 #include <string>
 
@@ skipping 11 matching lines @@
  public:
   explicit InputMethodMenuButton(StatusAreaHost* host);
   virtual ~InputMethodMenuButton() {}
 
   // views::View implementation.
   virtual gfx::Size GetPreferredSize();
   virtual void OnLocaleChanged();
 
  private:
   // InputMethodMenu implementation.
-  virtual void UpdateUI(
-      const std::wstring& name, const std::wstring& tooltip);
+  virtual void UpdateUI(const std::string& id,

[satorux1, 2010/12/01 06:40:18]

id -> input_method_id?

[Yusuke Sato, 2010/12/01 07:36:41]

Done.

+                        const std::wstring& name,
+                        const std::wstring& tooltip,
+                        size_t num_active_input_methods);
   virtual bool ShouldSupportConfigUI();
   virtual void OpenConfigUI();
 
   StatusAreaHost* host_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodMenuButton);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_INPUT_METHOD_MENU_BUTTON_H_