Headers cleanup in chrome/common

chrome/common/ipc_logging.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_LOGGING_H_
 #define CHROME_COMMON_IPC_LOGGING_H_
 
 #include "chrome/common/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
 
 #ifdef IPC_MESSAGE_LOG_ENABLED
 
-#include "base/lock.h"
+#include <vector>
+
 #include "base/message_loop.h"
+#include "base/scoped_ptr.h"
 #include "base/singleton.h"
 #include "base/waitable_event_watcher.h"
-#include "chrome/common/ipc_message_utils.h"
-
-class MessageLoop;
 
 namespace IPC {
 
 class Message;
 
 // One instance per process.  Needs to be created on the main thread (the UI
 // thread in the browser) but OnPreDispatchMessage/OnPostDispatchMessage
 // can be called on other threads.
 class Logging : public base::WaitableEventWatcher::Delegate,
                 public MessageLoop::DestructionObserver {
@@ skipping 75 matching lines @@
   Consumer* consumer_;
 
   static LogFunction *log_function_mapping_;
 };
 
 }  // namespace IPC
 
 #endif // IPC_MESSAGE_LOG_ENABLED
 
 #endif  // CHROME_COMMON_IPC_LOGGING_H_