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

content/browser/renderer_host/resource_dispatcher_host.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.
 
 // This is the browser side of the resource dispatcher, it receives requests
 // from the child process (i.e. [Renderer, Plugin, Worker]ProcessHost), and
 // dispatches them to URLRequests. It then forwards the messages from the
 // URLRequests back to the correct process for handling.
 //
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
@@ skipping 246 matching lines @@
 
   // This does not take ownership of the delegate. It is expected that the
   // delegate have a longer lifetime than the ResourceDispatcherHost.
   void set_delegate(content::ResourceDispatcherHostDelegate* delegate) {
     delegate_ = delegate;
   }
   content::ResourceDispatcherHostDelegate* delegate() {
     return delegate_;
   }
 
+  // Marks the request as "parked". This happens if a request is
+  // redirected cross-site and needs to be resumed by a new render view.
+  void MarkAsTransferredNavigation(
+      const GlobalRequestID& transferred_request_id,
+      net::URLRequest* transferred_request);
+
  private:
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            TestBlockedRequestsProcessDies);
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            IncrementOutstandingRequestsMemoryCost);
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            CalculateApproximateMemoryCost);
 
   class ShutdownTask;
 
@@ skipping 216 matching lines @@
 
   // Used during IPC message dispatching so that the handlers can get a pointer
   // to the source of the message.
   ResourceMessageFilter* filter_;
 
   content::ResourceDispatcherHostDelegate* delegate_;
 
   static bool is_prefetch_enabled_;
   bool allow_cross_origin_auth_prompt_;
 
+  // Maps the request ID of request that is being transferred to a new RVH
+  // to the respective request.
+  typedef std::map<GlobalRequestID, net::URLRequest*> TransferredNavigations;
+  TransferredNavigations transferred_navigations_;
+
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_DISPATCHER_HOST_H_