For lack of a better approach we now initiate the plugin src url download in ...

webkit/glue/webplugin_impl.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.
 
 #ifndef WEBKIT_GLUE_WEBPLUGIN_IMPL_H_
 #define WEBKIT_GLUE_WEBPLUGIN_IMPL_H_
 
 #include <string>
 #include <map>
 #include <vector>
@@ skipping 302 matching lines @@
   // to handle the response identified by the loader parameter.
   bool ReinitializePluginForResponse(WebKit::WebURLLoader* loader);
 
   // Notifies us that the visibility of the plugin has changed.
   void UpdateVisibility();
 
   // Helper functions to convert an array of names/values to a vector.
   static void ArrayToVector(int total_values, char** values,
                             std::vector<std::string>* value_vector);
 
+  // Delayed task for downloading the plugin source URL.
+  void OnDownloadPluginSrcUrl();
+
   struct ClientInfo {
     int id;
     WebPluginResourceClient* client;
     WebKit::WebURLRequest request;
     linked_ptr<WebKit::WebURLLoader> loader;
   };
 
   std::vector<ClientInfo> clients_;
 
   bool windowless_;
@@ skipping 23 matching lines @@
 
   // The mime type of the plugin.
   std::string mime_type_;
 
   // Holds the list of argument names passed to the plugin.
   std::vector<std::string> arg_names_;
 
   // Holds the list of argument values passed to the plugin.
   std::vector<std::string> arg_values_;
 
+  ScopedRunnableMethodFactory<WebPluginImpl> method_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(WebPluginImpl);
 };
 
 #endif  // #ifndef WEBKIT_GLUE_WEBPLUGIN_IMPL_H_