Revert of Remove InputMethodEventHandler.

ui/aura/window_event_dispatcher.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_AURA_WINDOW_EVENT_DISPATCHER_H_
 #define UI_AURA_WINDOW_EVENT_DISPATCHER_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 102 matching lines @@
 
   // TODO(beng): This is only needed because this cleanup needs to happen after
   //             all other observers are notified of OnWindowDestroying() but
   //             before OnWindowDestroyed() is sent (i.e. while the window
   //             hierarchy is still intact). This didn't seem worth adding a
   //             generic notification for as only this class needs to implement
   //             it. I would however like to find a way to do this via an
   //             observer.
   void OnPostNotifiedWindowDestroying(Window* window);
 
-  // True to skip sending event to the InputMethod.
-  void set_skip_ime(bool skip_ime) { skip_ime_ = skip_ime; }
-  bool should_skip_ime() const { return skip_ime_; }
-
  private:
   FRIEND_TEST_ALL_PREFIXES(WindowEventDispatcherTest,
                            KeepTranslatedEventInRoot);
 
   friend class test::WindowEventDispatcherTestApi;
   friend class Window;
   friend class TestScreen;
 
   // The parameter for OnWindowHidden() to specify why window is hidden.
   enum WindowHiddenReason {
@@ skipping 98 matching lines @@
   // Calls SynthesizeMouseMove() if |window| is currently visible and contains
   // the mouse cursor.
   void SynthesizeMouseMoveAfterChangeToWindow(Window* window);
 
   ui::EventDispatchDetails PreDispatchLocatedEvent(Window* target,
                                                    ui::LocatedEvent* event);
   ui::EventDispatchDetails PreDispatchMouseEvent(Window* target,
                                                  ui::MouseEvent* event);
   ui::EventDispatchDetails PreDispatchTouchEvent(Window* target,
                                                  ui::TouchEvent* event);
-  ui::EventDispatchDetails PreDispatchKeyEvent(ui::KeyEvent* event);
 
   WindowTreeHost* host_;
 
   Window* mouse_pressed_handler_;
   Window* mouse_moved_handler_;
   Window* event_dispatch_target_;
   Window* old_dispatch_target_;
 
   ui::FractionOfTimeWithoutUserInputRecorder
       fraction_of_time_without_user_input_recorder_;
@@ skipping 12 matching lines @@
   // Set when dispatching a held event.
   ui::LocatedEvent* dispatching_held_event_;
 
   ScopedObserver<aura::Window, aura::WindowObserver> observer_manager_;
 
   std::unique_ptr<MusMouseLocationUpdater> mus_mouse_location_updater_;
 
   // The default EventTargeter for WindowEventDispatcher generated events.
   std::unique_ptr<WindowTargeter> event_targeter_;
 
-  bool skip_ime_;
-
   // Used to schedule reposting an event.
   base::WeakPtrFactory<WindowEventDispatcher> repost_event_factory_;
 
   // Used to schedule DispatchHeldEvents() when |move_hold_count_| goes to 0.
   base::WeakPtrFactory<WindowEventDispatcher> held_event_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowEventDispatcher);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_EVENT_DISPATCHER_H_