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

chrome/browser/chromeos/input_method/mock_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 CHROME_BROWSER_CHROMEOS_INPUT_METHOD_MOCK_INPUT_METHOD_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_MOCK_INPUT_METHOD_MANAGER_H_
 
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chromeos/ime/component_extension_ime_manager.h"
 #include "chromeos/ime/fake_ime_keyboard.h"
 #include "chromeos/ime/fake_input_method_delegate.h"
 #include "chromeos/ime/input_method_manager.h"
 #include "chromeos/ime/input_method_whitelist.h"
 
 namespace chromeos {
 namespace input_method {
 
 // The mock implementation of InputMethodManager for testing.
 class MockInputMethodManager : public InputMethodManager {
  public:
   MockInputMethodManager();
   virtual ~MockInputMethodManager();
 
   // InputMethodManager override:
   virtual State GetState() OVERRIDE;
-  virtual void InitializeComponentExtension() OVERRIDE;
   virtual void AddObserver(InputMethodManager::Observer* observer) OVERRIDE;
   virtual void AddCandidateWindowObserver(
       InputMethodManager::CandidateWindowObserver* observer) OVERRIDE;
   virtual void RemoveObserver(InputMethodManager::Observer* observer) OVERRIDE;
   virtual void RemoveCandidateWindowObserver(
       InputMethodManager::CandidateWindowObserver* observer) OVERRIDE;
   virtual scoped_ptr<InputMethodDescriptors>
       GetSupportedInputMethods() const OVERRIDE;
   virtual scoped_ptr<InputMethodDescriptors>
       GetActiveInputMethods() const OVERRIDE;
@@ skipping 69 matching lines @@
   // The active input method ids cache (actually default only)
   std::vector<std::string> active_input_method_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(MockInputMethodManager);
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_MOCK_INPUT_METHOD_MANAGER_H_