IME (input method editor) support for Aura, part 3 of 3: Use ui::InputMethod in ash.

ui/aura/desktop_host.h

 // Copyright (c) 2011 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_DESKTOP_HOST_H_
 #define UI_AURA_DESKTOP_HOST_H_
 #pragma once
 
 #include "base/message_loop.h"
 #include "ui/aura/cursor.h"
 #include "ui/gfx/native_widget_types.h"
 
+namespace ui {
+class InputMethod;
+}
+
 namespace gfx {
 class Point;
 class Rect;
 class Size;
 }
 
 namespace aura {
 
 class Desktop;
 
@@ skipping 34 matching lines @@
   virtual void SetCursor(gfx::NativeCursor cursor) = 0;
 
   // Queries the mouse's current position relative to the host window.
   // The position is constrained within the host window.
   // You should probably call Desktop::last_mouse_location() instead; this
   // method can be expensive.
   virtual gfx::Point QueryMouseLocation() = 0;
 
   // Posts |native_event| to the platform's event queue.
   virtual void PostNativeEvent(const base::NativeEvent& native_event) = 0;
+
+  // Gets the input method for the desktop.
+  virtual ui::InputMethod* GetInputMethod() = 0;
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_DESKTOP_HOST_H_