Makes DesktopWindowTreeHostXxx to dispatch key event to InputMethod.

ui/views/win/hwnd_message_handler.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/win/hwnd_message_handler.h"
 
 #include <dwmapi.h>
 #include <oleacc.h>
 #include <shellapi.h>
 
@@ skipping 1598 matching lines @@
                                        WPARAM w_param,
                                        LPARAM l_param) {
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
   tracked_objects::ScopedTracker tracking_profile(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "440919 HWNDMessageHandler::OnKeyEvent"));
 
   MSG msg = {
       hwnd(), message, w_param, l_param, static_cast<DWORD>(GetMessageTime())};
   ui::KeyEvent key(msg);
-  if (!delegate_->HandleUntranslatedKeyEvent(key))
+  delegate_->HandleKeyEvent(&key);
+  if (!key.handled())
     SetMsgHandled(FALSE);
   return 0;
 }
 
 void HWNDMessageHandler::OnKillFocus(HWND focused_window) {
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
   tracked_objects::ScopedTracker tracking_profile(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "440919 HWNDMessageHandler::OnKillFocus"));
 
@@ skipping 1109 matching lines @@
     SetWindowPos(hwnd(), NULL, 0, 0, 0, 0, flags | SWP_HIDEWINDOW);
     SetWindowPos(hwnd(), NULL, 0, 0, 0, 0, flags | SWP_SHOWWINDOW);
   }
   // WM_DWMCOMPOSITIONCHANGED is only sent to top level windows, however we want
   // to notify our children too, since we can have MDI child windows who need to
   // update their appearance.
   EnumChildWindows(hwnd(), &SendDwmCompositionChanged, NULL);
 }
 
 }  // namespace views