Only initialize the input method list for once, no need to re-initialize for each profile.

chromeos/ime/input_method_manager.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 CHROMEOS_IME_INPUT_METHOD_MANAGER_H_
 #define CHROMEOS_IME_INPUT_METHOD_MANAGER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 58 matching lines @@
 
   // Sets the global instance. |instance| will be owned by the internal pointer
   // and deleted by Shutdown().
   // TODO(nona): Instanciate InputMethodManagerImpl inside of this function once
   //             crbug.com/164375 is fixed.
   static CHROMEOS_EXPORT void Initialize(InputMethodManager* instance);
 
   // Destroy the global instance.
   static CHROMEOS_EXPORT void Shutdown();
 
-  // Initialize component extensions.
-  virtual void InitializeComponentExtension() = 0;
-
   // Get the current UI session state (e.g. login screen, lock screen, etc.).
   virtual State GetState() = 0;
 
   // Adds an observer to receive notifications of input method related
   // changes as desribed in the Observer class above.
   virtual void AddObserver(Observer* observer) = 0;
   virtual void AddCandidateWindowObserver(
       CandidateWindowObserver* observer) = 0;
   virtual void RemoveObserver(Observer* observer) = 0;
   virtual void RemoveCandidateWindowObserver(
@@ skipping 109 matching lines @@
 
   // Migrates the input method id to extension-based input method id.
   virtual bool MigrateInputMethods(
       std::vector<std::string>* input_method_ids) = 0;
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROMEOS_IME_INPUT_METHOD_MANAGER_H_