Add the ability to filter out extension IMEs from the language settings page.

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_CROS_LANGUAGE_OPTIONS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_CROS_LANGUAGE_OPTIONS_HANDLER_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/chromeos/input_method/input_method_descriptor.h"
 #include "chrome/browser/ui/webui/options/language_options_handler.h"
@@ skipping 28 matching lines @@
   static base::ListValue* GetInputMethodList(
       const input_method::InputMethodDescriptors& descriptors);
 
   // Gets the list of languages from the given input descriptors.
   // The return value will look like:
   // [{'code': 'fi', 'displayName': 'Finnish', 'nativeDisplayName': 'suomi'},
   //  ...]
   static base::ListValue* GetLanguageList(
       const input_method::InputMethodDescriptors& descriptors);
 
+  // Gets the list of input methods that are implemented in an extension.
+  // The return value will look like:
+  // [{'id': '_ext_ime_nejguenhnsnjnwychcnsdsdjketest',
+  //   'displayName': 'Sample IME'},  ...]
+  static base::ListValue* GetExtensionImeList();
+
  private:
   // LanguageOptionsHandlerCommon implementation.
   virtual string16 GetProductName() OVERRIDE;
   virtual void SetApplicationLocale(const std::string& language_code) OVERRIDE;
 
   // Called when the sign-out button is clicked.
   void RestartCallback(const base::ListValue* args);
 
   // Called when the input method is disabled.
   // |args| will contain the input method ID as string (ex. "mozc").
   void InputMethodDisableCallback(const base::ListValue* args);
 
   // Called when the input method is enabled.
   // |args| will contain the input method ID as string (ex. "mozc").
   void InputMethodEnableCallback(const base::ListValue* args);
 
   // Called when the input method options page is opened.
   // |args| will contain the input method ID as string (ex. "mozc").
   void InputMethodOptionsOpenCallback(const base::ListValue* args);
 
   DISALLOW_COPY_AND_ASSIGN(CrosLanguageOptionsHandler);
 };
 
 }  // namespace options
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_CROS_LANGUAGE_OPTIONS_HANDLER_H_