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

chrome/browser/ui/webui/cloud_print_signin_dialog.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/cloud_print_signin_dialog.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/printing/cloud_print/cloud_print_url.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/dialog_style.h"
 #include "chrome/browser/ui/webui/html_dialog_ui.h"
 #include "chrome/browser/ui/webui/print_preview_ui.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/navigation_controller.h"
 #include "content/browser/tab_contents/tab_contents_view.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_ui_message_handler.h"
 
 using content::BrowserThread;
 using content::NavigationEntry;
 using content::WebContents;
+using content::WebUIMessageHandler;
 
 // This module implements a sign in dialog for cloud print.
 // it is based heavily off "chrome/browser/printing/print_dialog_cloud.cc".
 // See the comments in that file for a discussion about how this works.
 
 namespace cloud_print_signin_dialog {
 
 // The flow handler sends our dialog to the correct URL, saves size info,
 // and closes the dialog when sign in is complete.
 class CloudPrintSigninFlowHandler : public WebUIMessageHandler,
@@ skipping 150 matching lines @@
 }
 
 void CreateCloudPrintSigninDialog(WebContents* parent_tab) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&CreateCloudPrintSigninDialogImpl, parent_tab));
 }
 }  // namespace cloud_print_signin_dialog