Fix transferring processes during a redirect.

content/browser/renderer_host/resource_loader.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 CONTENT_BROWSER_RENDERER_HOST_RESOURCE_LOADER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RESOURCE_LOADER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/browser/renderer_host/resource_handler.h"
@@ skipping 21 matching lines @@
                  ResourceLoaderDelegate* delegate);
   virtual ~ResourceLoader();
 
   void StartRequest();
   void CancelRequest(bool from_renderer);
 
   void ReportUploadProgress();
 
   bool is_transferring() const { return is_transferring_; }
   void MarkAsTransferring();
+  void WillCompleteTransfer();
   void CompleteTransfer(scoped_ptr<ResourceHandler> new_handler);
 
   net::URLRequest* request() { return request_.get(); }
   ResourceRequestInfoImpl* GetRequestInfo();
 
   void ClearLoginDelegate();
   void ClearSSLClientAuthHandler();
 
   // IPC message handlers:
   void OnUploadProgressACK();
@@ skipping 60 matching lines @@
   // consumer.  We are waiting for a notification to complete the transfer, at
   // which point we'll receive a new ResourceHandler.
   bool is_transferring_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceLoader);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_LOADER_H_