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

ui/aura/desktop.h

Index: ui/aura/desktop.h
diff --git a/ui/aura/desktop.h b/ui/aura/desktop.h
index df12a6cd4f21008e2c2c97eac5f88adb0fdad228..181a80015f5f7e8118514050c11016bbdfb25ae9 100644
--- a/ui/aura/desktop.h
+++ b/ui/aura/desktop.h
@@ -26,12 +26,17 @@ class Size;
 }
 
 namespace ui {
+class InputMethod;
 class LayerAnimationSequence;
 class Transform;
 }
 
 namespace aura {
 
+namespace test {
+class DesktopHostIMETest;
+}  // namespace test
+
 class DesktopHost;
 class DesktopObserver;
 class KeyEvent;
@@ -145,12 +150,17 @@ class AURA_EXPORT Desktop : public ui::CompositorDelegate,
   // Overridden from Window:
   virtual void SetTransform(const ui::Transform& transform) OVERRIDE;
 
+  // Gets the input method for the desktop.
+  ui::InputMethod* GetInputMethod();
+
 #if !defined(NDEBUG)
   // Toggles the host's full screen state.
   void ToggleFullScreen();
 #endif
 
  private:
+  friend class aura::test::DesktopHostIMETest;  // need to access |host_|.
+
   Desktop();
   virtual ~Desktop();