RSS feed support (part 1), 2nd attempt

chrome/common/render_messages_internal.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 header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <string>
 #include <vector>
@@ skipping 1190 matching lines @@
   // will return the route id on success.  On error returns MSG_ROUTING_NONE.
   IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_CreateDedicatedWorker,
                               GURL /* url */,
                               int /* route_id */)
 
   // Wraps an IPC message that's destined to the worker on the renderer->browser
   // hop.
   IPC_MESSAGE_CONTROL1(ViewHostMsg_ForwardToWorker,
                        IPC::Message /* message */)
 
+  // Notification when new feeds have been discovered on the page.
+  IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateFeedList,
+                      ViewHostMsg_UpdateFeedList_Params)
 IPC_END_MESSAGES(ViewHost)