Headers cleanup in chrome/common

chrome/common/ipc_channel_proxy.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.
 
 #ifndef CHROME_COMMON_IPC_CHANNEL_PROXY_H__
 #define CHROME_COMMON_IPC_CHANNEL_PROXY_H__
 
 #include <vector>
-#include "base/lock.h"
+
 #include "base/ref_counted.h"
 #include "chrome/common/ipc_channel.h"
 
 class MessageLoop;
 
 namespace IPC {
 
 //-----------------------------------------------------------------------------
 // IPC::ChannelProxy
 //
@@ skipping 180 matching lines @@
 
   // By maintaining this indirection (ref-counted) to our internal state, we
   // can safely be destroyed while the background thread continues to do stuff
   // that involves this data.
   scoped_refptr<Context> context_;
 };
 
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_IPC_CHANNEL_PROXY_H__