Move WebUIMessageHandler to its own file in the public directory and put it in the content namesp...

chrome/browser/ui/webui/html_dialog_ui.cc

 // 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.
 
 #include "chrome/browser/ui/webui/html_dialog_ui.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/lazy_instance.h"
 #include "base/property_bag.h"
 #include "base/values.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_ui_message_handler.h"
 #include "content/public/common/bindings_policy.h"
 
 using content::WebContents;
+using content::WebUIMessageHandler;
 
 static base::LazyInstance<base::PropertyAccessor<HtmlDialogUIDelegate*> >
     g_html_dialog_ui_property_accessor = LAZY_INSTANCE_INITIALIZER;
 
 HtmlDialogUI::HtmlDialogUI(WebContents* web_contents)
     : ChromeWebUI(web_contents) {
 }
 
 HtmlDialogUI::~HtmlDialogUI() {
   // Don't unregister our property. During the teardown of the WebContents,
@@ skipping 70 matching lines @@
   // that are scoped in duration to the dialogs existence.
   bindings_ &= ~content::BINDINGS_POLICY_WEB_UI;
 }
 
 ExternalHtmlDialogUI::~ExternalHtmlDialogUI() {
 }
 
 bool HtmlDialogUIDelegate::HandleContextMenu(const ContextMenuParams& params) {
   return false;
 }