Add a status message "Waiting for extension Foo..." when there's a request

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 360 matching lines @@
                               const GURL& url,
                               ResourceType::Type resource_type,
                               const net::URLRequestJobFactory& job_factory,
                               ResourceHandler* handler);
 
   // Checks all pending requests and updates the load states and upload
   // progress if necessary.
   void UpdateLoadStates();
 
   // Checks the upload state and sends an update if one is necessary.
-  bool MaybeUpdateUploadProgress(ResourceDispatcherHostRequestInfo *info,
+  void MaybeUpdateUploadProgress(ResourceDispatcherHostRequestInfo *info,
                                  net::URLRequest *request);
 
   // Resumes or cancels (if |cancel_requests| is true) any blocked requests.
   void ProcessBlockedRequestsForRoute(int process_unique_id,
                                       int route_id,
                                       bool cancel_requests);
 
   void OnRequestResource(const IPC::Message& msg,
                          int request_id,
                          const ResourceHostMsg_Request& request_data);
@@ skipping 125 matching lines @@
 
   ResourceDispatcherHostDelegate* delegate_;
 
   static bool is_prefetch_enabled_;
   bool allow_cross_origin_auth_prompt_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_DISPATCHER_HOST_H_