Delay request loading until all user scripts that request depends on are ready.

chrome/browser/renderer_host/resource_dispatcher_host.h

 // Copyright (c) 2006-2008 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 fowards 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 19 matching lines @@
 
 class CrossSiteResourceHandler;
 class DownloadFileManager;
 class DownloadRequestManager;
 class LoginHandler;
 class MessageLoop;
 class PluginService;
 class SafeBrowsingService;
 class SaveFileManager;
 class SSLClientAuthHandler;
+class UserScriptListener;
 class URLRequestContext;
 class WebKitThread;
 struct ViewHostMsg_Resource_Request;
 struct ViewMsg_ClosePage_Params;
 
 class ResourceDispatcherHost : public URLRequest::Delegate {
  public:
   // Implemented by the client of ResourceDispatcherHost to receive messages in
   // response to a resource load.  The messages are intended to be forwarded to
   // the ResourceDispatcher in the child process via an IPC channel that the
@@ skipping 480 matching lines @@
 
   // We own the download file writing thread and manager
   scoped_refptr<DownloadFileManager> download_file_manager_;
 
   // Determines whether a download is allowed.
   scoped_refptr<DownloadRequestManager> download_request_manager_;
 
   // We own the save file manager.
   scoped_refptr<SaveFileManager> save_file_manager_;
 
+  scoped_refptr<UserScriptListener> user_script_listener_;
+
   scoped_refptr<SafeBrowsingService> safe_browsing_;
 
   // We own the WebKit thread and see to its destruction.
   scoped_ptr<WebKitThread> webkit_thread_;
 
   // Request ID for browser initiated requests. request_ids generated by
   // child processes are counted up from 0, while browser created requests
   // start at -2 and go down from there. (We need to start at -2 because -1 is
   // used as a special value all over the resource_dispatcher_host for
   // uninitialized variables.) This way, we no longer have the unlikely (but
@@ skipping 32 matching lines @@
   // Used during IPC message dispatching so that the handlers can get a pointer
   // to the source of the message.
   Receiver* receiver_;
 
   static bool g_is_http_prioritization_enabled;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RESOURCE_DISPATCHER_HOST_H_