Makes DesktopWindowTreeHostXxx to dispatch key event to InputMethod.

ui/views/win/hwnd_message_handler.cc

Index: ui/views/win/hwnd_message_handler.cc
diff --git a/ui/views/win/hwnd_message_handler.cc b/ui/views/win/hwnd_message_handler.cc
index bd2072b47ee7d0b71d538d9f065151da85262315..5cadce12e659ca63c5f77da150f69f00405552f3 100644
--- a/ui/views/win/hwnd_message_handler.cc
+++ b/ui/views/win/hwnd_message_handler.cc
@@ -1616,7 +1616,8 @@ LRESULT HWNDMessageHandler::OnKeyEvent(UINT message,
   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;
 }