Add Resource Handler for creating Streams to forward to extensions

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 201 matching lines @@
   // |id| should be |DownloadId()| (null) to request automatic
   // assignment.
   scoped_ptr<ResourceHandler> CreateResourceHandlerForDownload(
       net::URLRequest* request,
       bool is_content_initiated,
       bool must_download,
       DownloadId id,
       scoped_ptr<DownloadSaveInfo> save_info,
       const DownloadResourceHandler::OnStartedCallback& started_cb);
 
+  // Must be called after the ResourceRequestInfo has been created
+  // and associated with the request.
+  scoped_ptr<ResourceHandler> MaybeInterceptAsStream(
+      net::URLRequest* request,
+      ResourceResponse* response);
+
   void ClearSSLClientAuthHandlerForRequest(net::URLRequest* request);
 
   ResourceScheduler* scheduler() { return scheduler_.get(); }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            TestBlockedRequestsProcessDies);
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            IncrementOutstandingRequestsMemoryCost);
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
@@ skipping 213 matching lines @@
   scoped_ptr<ResourceScheduler> scheduler_;
 
   RenderViewHostTracker tracker_;  // Lives on UI thread.
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_