Remove PluginDelegate completely. In a followup I'll rename PepperPluginDelegateImpl to something c…

content/renderer/pepper/ppb_tcp_server_socket_private_impl.cc

 // 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.
 
 #include "content/renderer/pepper/ppb_tcp_server_socket_private_impl.h"
 
 #include "base/logging.h"
 #include "content/renderer/pepper/host_globals.h"
 #include "content/renderer/pepper/pepper_plugin_delegate_impl.h"
 #include "content/renderer/pepper/ppb_tcp_socket_private_impl.h"
@@ skipping 68 matching lines @@
 
   if (socket_id_ != 0) {
     plugin_delegate->Send(new PpapiHostMsg_PPBTCPServerSocket_Destroy(
         socket_id_));
     plugin_delegate->TCPServerSocketStopListening(socket_id_);
   }
 }
 
 PepperPluginDelegateImpl*
     PPB_TCPServerSocket_Private_Impl::GetPluginDelegate() {
-  return static_cast<PepperPluginDelegateImpl*>(
-      ResourceHelper::GetPluginDelegate(this));
+  return ResourceHelper::GetPluginDelegate(this);
 }
 
 }  // namespace content