Revert of chromeos: Remove some IME methods from ash::SystemTrayDelegate

ui/base/ime/chromeos/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 UI_BASE_IME_CHROMEOS_MOCK_INPUT_METHOD_MANAGER_H_
 #define UI_BASE_IME_CHROMEOS_MOCK_INPUT_METHOD_MANAGER_H_
 
 #include "base/macros.h"
 #include "ui/base/ime/chromeos/input_method_manager.h"
 
 namespace chromeos {
 namespace input_method {
 class InputMethodUtil;
 class ImeKeyboard;
 
 // The mock InputMethodManager for testing.
 class UI_BASE_IME_EXPORT MockInputMethodManager : public InputMethodManager {
  public:
  public:
   class State : public InputMethodManager::State {
    public:
     State();
 
-    scoped_refptr<InputMethodManager::State> Clone() const override;
     void AddInputMethodExtension(
         const std::string& extension_id,
         const InputMethodDescriptors& descriptors,
         ui::IMEEngineHandlerInterface* instance) override;
     void RemoveInputMethodExtension(const std::string& extension_id) override;
     void ChangeInputMethod(const std::string& input_method_id,
                            bool show_message) override;
     bool EnableInputMethod(
         const std::string& new_active_input_method_id) override;
     void EnableLoginLayouts(
@@ skipping 75 matching lines @@
   bool IsEmojiHandwritingVoiceOnImeMenuEnabled() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockInputMethodManager);
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // UI_BASE_IME_CHROMEOS_MOCK_INPUT_METHOD_MANAGER_H_