[IME] Removes the duplicated IMEs in chrome://settings/languages, and support async component IMEs …

chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 432 matching lines @@
       SINGLETON_TAB,
       content::PAGE_TRANSITION_LINK,
       false);
   browser->OpenURL(params);
   browser->window()->Show();
   content::WebContents* web_contents =
       browser->tab_strip_model()->GetActiveWebContents();
   web_contents->GetDelegate()->ActivateContents(web_contents);
 }
 
-void CrosLanguageOptionsHandler::OnInitialized() {
+void CrosLanguageOptionsHandler::OnImeComponentExtensionInitialized() {
   if (composition_extension_appended_ || !is_page_initialized_) {
     // If an option page is not ready to call JavaScript, appending component
     // extension IMEs will be done in InitializePage function later.
     return;
   }
 
   ComponentExtensionIMEManager* manager =
       input_method::InputMethodManager::Get()
           ->GetComponentExtensionIMEManager();
 
@@ skipping 25 matching lines @@
       ConvertInputMethodDescriptosToIMEList(
           component_extension_manager->GetAllIMEAsInputMethodDescriptor()));
   web_ui()->CallJavascriptFunction(
       "options.LanguageOptions.onComponentManagerInitialized",
       *ime_list);
   composition_extension_appended_ = true;
 }
 
 }  // namespace options
 }  // namespace chromeos