Add OVERRIDE to ipc/.

ipc/ipc_channel_proxy.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.
 
 #ifndef IPC_IPC_CHANNEL_PROXY_H_
 #define IPC_IPC_CHANNEL_PROXY_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 129 matching lines @@
   // call this method multiple times.  Redundant calls are ignored.
   //
   // WARNING: The MessageFilter object held by the ChannelProxy is also
   // released asynchronously, and it may in fact have its final reference
   // released on the background thread.  The caller should be careful to deal
   // with / allow for this possibility.
   void Close();
 
   // Send a message asynchronously.  The message is routed to the background
   // thread where it is passed to the IPC::Channel's Send method.
-  virtual bool Send(Message* message);
+  virtual bool Send(Message* message) OVERRIDE;
 
   // Used to intercept messages as they are received on the background thread.
   //
   // Ordinarily, messages sent to the ChannelProxy are routed to the matching
   // listener on the worker thread.  This API allows code to intercept messages
   // before they are sent to the worker thread.
   // If you call this before the target process is launched, then you're
   // guaranteed to not miss any messages.  But if you call this anytime after,
   // then some messages might be missed since the filter is added internally on
   // the IO thread.
@@ skipping 111 matching lines @@
 
   OutgoingMessageFilter* outgoing_message_filter_;
 
   // Whether the channel has been initialized.
   bool did_init_;
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_CHANNEL_PROXY_H_