Extract Extension IME related utility.

chrome/browser/chromeos/input_method/input_method_util.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_CHROMEOS_INPUT_METHOD_INPUT_METHOD_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_UTIL_H_
 
 #include <cstddef>
 #include <map>
 #include <string>
@@ skipping 110 matching lines @@
   // This function should be called when Chrome's application locale is
   // changed, so that the internal maps of this library is reloaded.
   void OnLocaleChanged();
 
   // Returns true if the given input method id is supported.
   bool IsValidInputMethodId(const std::string& input_method_id) const;
 
   // Returns true if the given input method id is for a keyboard layout.
   static bool IsKeyboardLayout(const std::string& input_method_id);
 
-  // Returns true if the given input method id is for an extension input method.
-  static bool IsExtensionInputMethod(const std::string& input_method_id);
-
   // Converts a language code to a language display name, using the
   // current application locale. MaybeRewriteLanguageName() is called
   // internally.
   // Examples: "fi"    => "Finnish"
   //           "en-US" => "English (United States)"
   string16 GetLanguageDisplayNameFromCode(
       const std::string& language_code);
 
   // Converts a language code to a language native display name.
   // MaybeRewriteLanguageName() is called internally.
@@ skipping 58 matching lines @@
 
   InputMethodDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodUtil);
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_UTIL_H_