Support redirectUrl at onHeadersReceived in WebRequest / DWR API

chrome/browser/extensions/api/web_request/web_request_api.h

 // Copyright (c) 2012 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_API_WEB_REQUEST_WEB_REQUEST_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 197 matching lines @@
   // and |override_response_headers| are owned by a URLRequestJob. They are
   // guaranteed to be valid until |callback| is called or OnURLRequestDestroyed
   // is called (whatever comes first).
   // Do not modify |original_response_headers| directly but write new ones
   // into |override_response_headers|.
   int OnHeadersReceived(
       void* profile,
       extensions::InfoMap* extension_info_map,
       net::URLRequest* request,
       const net::CompletionCallback& callback,
+      GURL* new_url,
       const net::HttpResponseHeaders* original_response_headers,
       scoped_refptr<net::HttpResponseHeaders>* override_response_headers);
 
   // Dispatches the OnAuthRequired event to any extensions whose filters match
   // the given request. If the listener is not registered as "blocking", then
   // AUTH_REQUIRED_RESPONSE_OK is returned. Otherwise,
   // AUTH_REQUIRED_RESPONSE_IO_PENDING is returned and |callback| will be
   // invoked later.
   net::NetworkDelegate::AuthRequiredResponse OnAuthRequired(
       void* profile,
@@ skipping 279 matching lines @@
   virtual void OnQuotaExceeded(const std::string& error) OVERRIDE;
   virtual bool RunImpl() OVERRIDE;
 };
 
 // Send updates to |host| with information about what webRequest-related
 // extensions are installed.
 // TODO(mpcomplete): remove. http://crbug.com/100411
 void SendExtensionWebRequestStatusToHost(content::RenderProcessHost* host);
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_H_