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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/ui/webui/invalidations_ui.h"
      6 
      7 #include "chrome/browser/profiles/profile.h"
      8 #include "chrome/browser/ui/webui/invalidations_message_handler.h"
      9 #include "chrome/common/url_constants.h"
     10 #include "content/public/browser/web_ui.h"
     11 #include "content/public/browser/web_ui_data_source.h"
     12 #include "content/public/browser/web_ui_message_handler.h"
     13 #include "grit/invalidations_resources.h"
     14 
     15 content::WebUIDataSource* CreateInvalidationsHTMLSource() {
     16   // This is done once per opening of the page
     17   // This method does not fire when refreshing the page
     18   content::WebUIDataSource* source =
     19       content::WebUIDataSource::Create(chrome::kChromeUIInvalidationsHost);
     20   source->AddResourcePath("about_invalidations.js", IDR_ABOUT_INVALIDATIONS_JS);
     21   source->SetDefaultResource(IDR_ABOUT_INVALIDATIONS_HTML);
     22   return source;
     23 }
     24 
     25 InvalidationsUI::InvalidationsUI(content::WebUI* web_ui)
     26     : WebUIController(web_ui) {
     27   Profile* profile = Profile::FromWebUI(web_ui);
     28   if (profile) {
     29     content::WebUIDataSource::Add(profile, CreateInvalidationsHTMLSource());
     30     InvalidationsMessageHandler* message_handler =
     31         new InvalidationsMessageHandler();
     32     // The MessageHandler of web_ui takes ownership of the object
     33     web_ui->AddMessageHandler(message_handler);
     34   }
     35 }
     36 
     37 InvalidationsUI::~InvalidationsUI() { }
     38 
     39