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      1 // Copyright (c) 2012 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 #ifndef CONTENT_BROWSER_LOADER_TRANSFER_NAVIGATION_RESOURCE_THROTTLE_H_
      6 #define CONTENT_BROWSER_LOADER_TRANSFER_NAVIGATION_RESOURCE_THROTTLE_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "content/public/browser/resource_throttle.h"
     11 
     12 namespace net {
     13 class URLRequest;
     14 }
     15 
     16 namespace content {
     17 
     18 // This ResourceThrottle checks whether a navigation redirect will cause a
     19 // renderer process swap. When that happens, we remember the request so
     20 // that we can transfer it to be handled by the new renderer. This fixes
     21 // http://crbug.com/79520
     22 class TransferNavigationResourceThrottle : public ResourceThrottle {
     23  public:
     24   explicit TransferNavigationResourceThrottle(net::URLRequest* request);
     25   virtual ~TransferNavigationResourceThrottle();
     26 
     27   // ResourceThrottle implementation:
     28   virtual void WillRedirectRequest(const GURL& new_url, bool* defer) OVERRIDE;
     29 
     30  private:
     31   net::URLRequest* request_;
     32 
     33   DISALLOW_COPY_AND_ASSIGN(TransferNavigationResourceThrottle);
     34 };
     35 
     36 }  // namespace content
     37 
     38 #endif  // CONTENT_BROWSER_LOADER_TRANSFER_NAVIGATION_RESOURCE_THROTTLE_H_
     39