Finish taking out render_messages.h include from other headers.

chrome/renderer/debug_message_handler.cc

 // 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.
 
 #include "chrome/renderer/debug_message_handler.h"
+
+#include "chrome/common/render_messages.h"
 #include "chrome/renderer/render_view.h"
 
 ////////////////////////////////////////
 // methods called from the RenderThread
 
 DebugMessageHandler::DebugMessageHandler(RenderView* view)
     : debugger_(NULL),
       view_(view),
       channel_(NULL) {
   view_loop_ = MessageLoop::current();
@@ skipping 107 matching lines @@
     // hang forever and never exit.  To avoid this, we look for close messages
     // and tell the debugger to shutdown.
     IPC_MESSAGE_HANDLER_GENERIC(ViewMsg_Close,
       if (debugger_) OnDetach();
       handled = false;)
     IPC_MESSAGE_UNHANDLED(handled = false);
   IPC_END_MESSAGE_MAP()
   return handled;
 }