Implement onCompleted event for the webNavigation API

chrome/browser/chromeos/login/web_page_view.h

 // Copyright (c) 2010 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 CHROME_BROWSER_CHROMEOS_LOGIN_WEB_PAGE_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WEB_PAGE_VIEW_H_
 #pragma once
 
 #include <string>
 
@@ skipping 35 matching lines @@
   virtual void DidFailProvisionalLoadWithError(
       RenderViewHost* render_view_host,
       bool is_main_frame,
       int error_code,
       const GURL& url,
       bool showing_repost_interstitial);
 
   virtual void DidDisplayInsecureContent();
   virtual void DidRunInsecureContent(const std::string& security_origin);
   virtual void DocumentLoadedInFrame(long long frame_id);
+  virtual void DidFinishLoad(long long frame_id);
   virtual void OnContentBlocked(ContentSettingsType type);
 
  private:
   WebPageDelegate* page_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(WizardWebPageViewTabContents);
 };
 
 // WebPageDomView is the view that is rendering the page.
 class WebPageDomView : public DOMView {
@@ skipping 68 matching lines @@
 
   // Timer used before toggling loaded page visibility.
   base::OneShotTimer<WebPageView> stop_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPageView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WEB_PAGE_VIEW_H_