Extra browser-side validation of transferred_request_child_id / request_id.

content/browser/loader/resource_dispatcher_host_impl.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.
 
 // 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 531 matching lines @@
   bool IsRequestIDInUse(const GlobalRequestID& id) const;
 
   // Update the ResourceRequestInfo and internal maps when a request is
   // transferred from one process to another.
   void UpdateRequestForTransfer(int child_id,
                                 int route_id,
                                 int request_id,
                                 const ResourceRequest& request_data,
                                 LoaderMap::iterator iter);
 
+  // If |request_data| is for a request being transferred from another process,
+  // then CompleteTransfer method can be used to complete the transfer.
+  void CompleteTransfer(int request_id,
+                        const ResourceRequest& request_data,
+                        int route_id);
+
   void BeginRequest(
       int request_id,
       const ResourceRequest& request_data,
       const SyncLoadResultCallback& sync_result_handler, // only valid for sync
       int route_id,
       mojo::InterfaceRequest<mojom::URLLoader> mojo_request,
       mojom::URLLoaderClientPtr url_loader_client);
 
   // There are requests which need decisions to be made like the following:
   // Whether the presence of certain HTTP headers like the Origin header are
@@ skipping 205 matching lines @@
 
   // Points to the registered download handler intercept.
   CreateDownloadHandlerIntercept create_download_handler_intercept_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_