Fix the app notify channel setup for the case where the user may have explicitly revoked permissi...

chrome/browser/extensions/app_notify_channel_setup.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_SETUP_H_
 #define CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_SETUP_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 131 matching lines @@
   std::string client_id_;
   GURL requestor_url_;
   int return_route_id_;
   int callback_id_;
   base::WeakPtr<Delegate> delegate_;
   scoped_ptr<content::URLFetcher> url_fetcher_;
   scoped_ptr<OAuth2AccessTokenFetcher> oauth2_fetcher_;
   scoped_ptr<AppNotifyChannelUI> ui_;
   State state_;
   std::string oauth2_access_token_;
+  // Keeps track of whether we have encountered failure in OAuth2 access
+  // token generation already. We use this to prevent us from doing an
+  // infinite loop of trying to generate access token, if that fails, try
+  // to login the user and generate access token, etc.
+  bool oauth2_access_token_failure_;
 
   DISALLOW_COPY_AND_ASSIGN(AppNotifyChannelSetup);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_SETUP_H_