Fix virtual keyboard on aura

chrome/browser/ui/webui/keyboard_ui.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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 "chrome/browser/ui/webui/keyboard_ui.h"
 
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/singleton.h"
+#include "base/message_loop.h"
 #include "base/string_piece.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "ui/base/resource/resource_bundle.h"
 
 using content::WebContents;
 
@@ skipping 24 matching lines @@
                << "been triggered";
   SendResponse(request_id, NULL);
 }
 
 std::string KeyboardUI::KeyboardHTMLSource::GetMimeType(
     const std::string&) const {
   NOTREACHED() << "We should never get here since the extension should have"
                << "been triggered";
   return "text/html";
 }