It is time.

ui/base/ime/input_method_mac.h

-// Copyright 2014 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_MAC_H_
-#define UI_BASE_IME_INPUT_METHOD_MAC_H_
-
-#include "ui/base/ime/input_method_base.h"
-
-namespace ui {
-
-// A ui::InputMethod implementation for Mac.
-// On the Mac, key events don't pass through InputMethod.
-// Instead, NSTextInputClient calls are bridged to the currently focused
-// ui::TextInputClient object.
-class UI_BASE_EXPORT InputMethodMac : public InputMethodBase {
- public:
-  explicit InputMethodMac(internal::InputMethodDelegate* delegate);
-  ~InputMethodMac() override;
-
-  // Overriden from InputMethod.
-  bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
-                                NativeEventResult* result) override;
-  bool DispatchKeyEvent(const ui::KeyEvent& event) override;
-  void OnCaretBoundsChanged(const TextInputClient* client) override;
-  void CancelComposition(const TextInputClient* client) override;
-  void OnInputLocaleChanged() override;
-  std::string GetInputLocale() override;
-  bool IsActive() override;
-  bool IsCandidatePopupOpen() const override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(InputMethodMac);
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_IME_INPUT_METHOD_MAC_H_