Fixed compile error.

chrome/common/child_process_host.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_COMMON_CHILD_PROCESS_HOST_H_
 #define CHROME_COMMON_CHILD_PROCESS_HOST_H_
 
-#if defined(OS_WIN)
-#include <windows.h>
-#endif  // defined(OS_WIN)
-
 #include <list>
 #include <string>
 
 // Must be included early (e.g. before chrome/common/plugin_messages.h)
 #include "ipc/ipc_logging.h"
 
+// Putting this before ipc_logging.h does not work (OS_WIN isn't defined)
+#if defined(OS_WIN)
+#include <windows.h>
+#endif  // defined(OS_WIN)
+
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/scoped_ptr.h"
 #include "chrome/common/notification_type.h"
 #include "ipc/ipc_channel.h"
 
+
 class CommandLine;
 
 // Provides common functionality for hosting a child process and processing IPC
 // messages between the host and the child process. Subclasses are responsible
 // for the actual launching and terminating of the child processes.
 //
 class ChildProcessHost : public IPC::Channel::Listener {
  public:
   virtual ~ChildProcessHost();
 
@@ skipping 78 matching lines @@
 
   ListenerHook listener_;
 
   bool opening_channel_;  // True while we're waiting the channel to be opened.
   scoped_ptr<IPC::Channel> channel_;
   std::string channel_id_;
 };
 
 #endif  // CHROME_COMMON_CHILD_PROCESS_HOST_H_