Makes DesktopWindowTreeHostXxx to dispatch key event to InputMethod.

ui/views/widget/desktop_aura/desktop_window_tree_host_win.cc

 // Copyright (c) 2012 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.
 
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host_win.h"
 
 #include "base/win/metro.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 786 matching lines @@
 
 void DesktopWindowTreeHostWin::HandleNativeBlur(HWND focused_window) {
   // TODO(beng): inform the native_widget_delegate_.
 }
 
 bool DesktopWindowTreeHostWin::HandleMouseEvent(const ui::MouseEvent& event) {
   SendEventToProcessor(const_cast<ui::MouseEvent*>(&event));
   return event.handled();
 }
 
-bool DesktopWindowTreeHostWin::HandleKeyEvent(const ui::KeyEvent& event) {
-  return false;
-}
-
-bool DesktopWindowTreeHostWin::HandleUntranslatedKeyEvent(
-    const ui::KeyEvent& event) {
-  ui::KeyEvent duplicate_event(event);
-  SendEventToProcessor(&duplicate_event);
-  return duplicate_event.handled();
+void DesktopWindowTreeHostWin::HandleKeyEvent(ui::KeyEvent* event) {
+  GetInputMethod()->DispatchKeyEvent(*event);
+  event->StopPropagation();
 }
 
 void DesktopWindowTreeHostWin::HandleTouchEvent(
     const ui::TouchEvent& event) {
   // HWNDMessageHandler asynchronously processes touch events. Because of this
   // it's possible for the aura::WindowEventDispatcher to have been destroyed
   // by the time we attempt to process them.
   if (!GetWidget()->GetNativeView())
     return;
 
@@ skipping 124 matching lines @@
 
 // static
 DesktopWindowTreeHost* DesktopWindowTreeHost::Create(
     internal::NativeWidgetDelegate* native_widget_delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura) {
   return new DesktopWindowTreeHostWin(native_widget_delegate,
                                       desktop_native_widget_aura);
 }
 
 }  // namespace views