Refactoring for the InputMethod & InputMethodDelegate interfaces.

ui/base/ime/input_method_minimal.h

 // Copyright 2013 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_INPUT_METHOD_MINIMAL_H_
 #define UI_BASE_IME_INPUT_METHOD_MINIMAL_H_
 
 #include "ui/base/ime/input_method_base.h"
 
 namespace ui {
 
 // A minimal implementation of ui::InputMethod, which supports only the direct
 // input without any compositions or conversions.
 class UI_BASE_IME_EXPORT InputMethodMinimal : public InputMethodBase {
  public:
   explicit InputMethodMinimal(internal::InputMethodDelegate* delegate);
   ~InputMethodMinimal() override;
 
   // Overriden from InputMethod.
   bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
                                 NativeEventResult* result) override;
-  bool DispatchKeyEvent(const ui::KeyEvent& event) override;
+  void DispatchKeyEvent(ui::KeyEvent* event) override;
   void OnCaretBoundsChanged(const TextInputClient* client) override;
   void CancelComposition(const TextInputClient* client) override;
   void OnInputLocaleChanged() override;
   std::string GetInputLocale() override;
   bool IsCandidatePopupOpen() const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputMethodMinimal);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_INPUT_METHOD_MINIMAL_H_