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 220 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 24 matching lines @@
 
   // 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_