Fixed CHECKs for use of canceled ResourceContexts in ResourceDispatcherHostImpl.

content/browser/renderer_host/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 70 matching lines @@
       bool prefer_cache,
       const DownloadSaveInfo& save_info,
       const DownloadStartedCallback& started_callback) OVERRIDE;
   virtual void ClearLoginDelegateForRequest(net::URLRequest* request) OVERRIDE;
   virtual void MarkAsTransferredNavigation(net::URLRequest* request) OVERRIDE;
 
   // Puts the resource dispatcher host in an inactive state (unable to begin
   // new requests).  Cancels all pending requests.
   void Shutdown();
 
+  // Notify the ResourceDispatcherHostImpl of a new resource context.
+  void AddResourceContext(ResourceContext* context);
+
+  // Notify the ResourceDispatcherHostImpl of a resource context destruction.
+  void RemoveResourceContext(ResourceContext* context);
+
   // Force cancels any pending requests for the given |context|. This is
   // necessary to ensure that before |context| goes away, all requests
   // for it are dead.
   void CancelRequestsForContext(ResourceContext* context);
 
   // Returns true if the message was a resource message that was processed.
   // If it was, message_was_ok will be false iff the message was corrupt.
   bool OnMessageReceived(const IPC::Message& message,
                          ResourceMessageFilter* filter,
                          bool* message_was_ok);
@@ skipping 406 matching lines @@
 
   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_;
 
   // http://crbug.com/90971 - Assists in tracking down use-after-frees on
   // shutdown.
-  std::set<const ResourceContext*> canceled_resource_contexts_;
+  std::set<const ResourceContext*> active_resource_contexts_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_DISPATCHER_HOST_IMPL_H_