Add Resource Handler for creating Streams to forward to extensions

content/browser/loader/resource_dispatcher_host_impl.h

Index: content/browser/loader/resource_dispatcher_host_impl.h
diff --git a/content/browser/loader/resource_dispatcher_host_impl.h b/content/browser/loader/resource_dispatcher_host_impl.h
index 5c5c92d2ddf4c9040f79cf04acfc6214ea38e0b2..5dc36e643526406d43167a57b5fa4ce32b0ae6e0 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.h
+++ b/content/browser/loader/resource_dispatcher_host_impl.h
@@ -219,6 +219,12 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
       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(); }