Make IPC_MESSAGE_EXPORT more robust.

content/common/socket_stream_messages.h

 // Copyright (c) 2011 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.
 
 // Multiply-included message file, hence no include guard.
 #include <vector>
 
+#include "content/common/content_export.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_param_traits.h"
 
+#undef IPC_MESSAGE_EXPORT
+#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 #define IPC_MESSAGE_START SocketStreamMsgStart
 
 // Web Sockets messages sent from the renderer to the browser.
 
 // Open new Socket Stream for the |socket_url| identified by |socket_id|
 // in the renderer process.
 // The browser starts connecting asynchronously.
 // Once Socket Stream connection is established, the browser will send
 // SocketStreamMsg_Connected back.
 IPC_MESSAGE_CONTROL2(SocketStreamHostMsg_Connect,
@@ skipping 38 matching lines @@
 
 // |amount_sent| bytes of data requested by
 // SocketStreamHostMsg_SendData has been sent on the Socket Stream.
 IPC_MESSAGE_CONTROL2(SocketStreamMsg_SentData,
                      int /* socket_id */,
                      int /* amount_sent */)
 
 // The Socket Stream is closed.
 IPC_MESSAGE_CONTROL1(SocketStreamMsg_Closed,
                      int /* socket_id */)