Get basic KeyEvents working in RWHVA

ui/aura/desktop_host_win.h

 // Copyright (c) 2011 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.
 
 #ifndef UI_AURA_DESKTOP_HOST_WIN_H_
 #define UI_AURA_DESKTOP_HOST_WIN_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "ui/aura/desktop_host.h"
@@ skipping 22 matching lines @@
   BEGIN_MSG_MAP_EX(DesktopHostWin)
     // Range handlers must go first!
     MESSAGE_RANGE_HANDLER_EX(WM_MOUSEFIRST, WM_MOUSELAST, OnMouseRange)
     MESSAGE_RANGE_HANDLER_EX(WM_NCMOUSEMOVE, WM_NCXBUTTONDBLCLK, OnMouseRange)
 
     // Key events.
     MESSAGE_HANDLER_EX(WM_KEYDOWN, OnKeyEvent)
     MESSAGE_HANDLER_EX(WM_KEYUP, OnKeyEvent)
     MESSAGE_HANDLER_EX(WM_SYSKEYDOWN, OnKeyEvent)
     MESSAGE_HANDLER_EX(WM_SYSKEYUP, OnKeyEvent)
+    MESSAGE_HANDLER_EX(WM_CHAR, OnKeyEvent)
+    MESSAGE_HANDLER_EX(WM_SYSCHAR, OnKeyEvent)
+    MESSAGE_HANDLER_EX(WM_IME_CHAR, OnKeyEvent)
 
     MSG_WM_CLOSE(OnClose)
     MSG_WM_PAINT(OnPaint)
     MSG_WM_SIZE(OnSize)
   END_MSG_MAP()
 
   void OnClose();
   LRESULT OnKeyEvent(UINT message, WPARAM w_param, LPARAM l_param);
   LRESULT OnMouseRange(UINT message, WPARAM w_param, LPARAM l_param);
   void OnPaint(HDC dc);
   void OnSize(UINT param, const CSize& size);
 
   Desktop* desktop_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopHostWin);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_DESKTOP_HOST_WIN_H_