Fix a bug where redirect chain gets lost on process swap.

content/public/browser/resource_dispatcher_host_delegate.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 CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 35 matching lines @@
   // Called after ShouldBeginRequest when all the resource handlers from the
   // content layer have been added.  To add new handlers to the front, return
   // a new handler that is chained to the given one, otherwise just reutrn the
   // given handler.
   virtual ResourceHandler* RequestBeginning(
       ResourceHandler* handler,
       net::URLRequest* request,
       const content::ResourceContext& resource_context,
       bool is_subresource,
       int child_id,
-      int route_id) = 0;
+      int route_id,
+      bool is_continuation_of_transferred_request) = 0;
 
   // Allows an embedder to add additional resource handlers for a download.
   // |is_new_request| is true if this is a request that is just starting, i.e.
   // the content layer has just added its own resource handlers; it's false if
   // this was originally a non-download request that had some resource handlers
   // applied already and now we found out it's a download.
   // |in_complete| is true if this is invoked from |OnResponseCompleted|.
   virtual ResourceHandler* DownloadStarting(
       ResourceHandler* handler,
       const content::ResourceContext& resource_context,
@@ skipping 53 matching lines @@
       ResourceMessageFilter* filter) = 0;
 
  protected:
   ResourceDispatcherHostDelegate() {}
   virtual ~ResourceDispatcherHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_DELEGATE_H_