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

ui/aura/desktop_host_win.h

Index: ui/aura/desktop_host_win.h
diff --git a/ui/aura/desktop_host_win.h b/ui/aura/desktop_host_win.h
index 201f89fff24b4add37e4604e979a8d3640b80977..c7f78115dc01ee4d2a510556e48d26b9a23dabcf 100644
--- a/ui/aura/desktop_host_win.h
+++ b/ui/aura/desktop_host_win.h
@@ -8,11 +8,15 @@
 
 #include "base/compiler_specific.h"
 #include "ui/aura/desktop_host.h"
+#include "ui/base/ime/input_method_delegate.h"
+#include "ui/base/ime/mock_input_method.h"
 #include "ui/base/win/window_impl.h"
 
 namespace aura {
 
-class DesktopHostWin : public DesktopHost, public ui::WindowImpl {
+class DesktopHostWin : public DesktopHost,
+                       public ui::internal::InputMethodDelegate,
+                       public ui::WindowImpl {
  public:
   explicit DesktopHostWin(const gfx::Rect& bounds);
   virtual ~DesktopHostWin();
@@ -29,6 +33,10 @@ class DesktopHostWin : public DesktopHost, public ui::WindowImpl {
   virtual void SetSize(const gfx::Size& size) OVERRIDE;
   virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
   virtual gfx::Point QueryMouseLocation() OVERRIDE;
+  virtual ui::InputMethod* GetInputMethod() OVERRIDE;
+
+  // ui::internal::InputMethodDelegate Override.
+  virtual void DispatchKeyEventPostIME(Event* event) OVERRIDE;
 
  private:
   BEGIN_MSG_MAP_EX(DesktopHostWin)
@@ -58,6 +66,9 @@ class DesktopHostWin : public DesktopHost, public ui::WindowImpl {
 
   Desktop* desktop_;
 
+  // TODO(yusukes): implement ui::InputMethodWin.
+  ui::MockInputMethod input_method_;
+
   bool fullscreen_;
   RECT saved_window_rect_;
   DWORD saved_window_style_;