prune down content_dll change to just the CONTENT_EXPORTS

content/common/devtools_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.
 
 // Developer tools consist of the following parts:
 //
 // DevToolsAgent lives in the renderer of an inspected page and provides access
 // to the pages resources, DOM, v8 etc. by means of IPC messages.
 //
 // DevToolsClient is a thin delegate that lives in the tools front-end
@@ skipping 24 matching lines @@
 //                         |                                   |
 //                         | (inspected page renderer process) |
 //                          -----------------------------------
 //
 // This file describes developer tools message types.
 
 // Multiply-included message file, no standard include guard.
 #include <map>
 #include <string>
 
+#include "content/common/content_export.h"
 #include "ipc/ipc_message_macros.h"
 
 // Singly-included section.
 #ifndef CONTENT_COMMON_DEVTOOLS_MESSAGES_H_
 #define CONTENT_COMMON_DEVTOOLS_MESSAGES_H_
 
 typedef std::map<std::string, std::string> DevToolsRuntimeProperties;
 
 #endif  // CONTENT_COMMON_DEVTOOLS_MESSAGES_H_
 
+#undef IPC_MESSAGE_EXPORT
+#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
+
 #define IPC_MESSAGE_START DevToolsMsgStart
 
 // These are messages sent from DevToolsAgent to DevToolsClient through the
 // browser.
 // WebKit-level transport.
 IPC_MESSAGE_ROUTED1(DevToolsClientMsg_DispatchOnInspectorFrontend,
                     std::string /* message */)
 
 // Legacy debugger output message.
 IPC_MESSAGE_ROUTED1(DevToolsClientMsg_DebuggerOutput,
@@ skipping 84 matching lines @@
 // Clears browser cache.
 IPC_MESSAGE_ROUTED0(DevToolsHostMsg_ClearBrowserCache)
 
 // Clears browser cookies.
 IPC_MESSAGE_ROUTED0(DevToolsHostMsg_ClearBrowserCookies)
 
 
 //-----------------------------------------------------------------------------
 // These are messages sent from the inspected page renderer to the worker
 // renderer.