Mojo: MOJO_OVERRIDE -> override in mojo/.

mojo/public/cpp/bindings/message_filter.h

 // Copyright 2014 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 MOJO_PUBLIC_CPP_BINDINGS_MESSAGE_FILTER_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_MESSAGE_FILTER_H_
 
 #include "mojo/public/cpp/bindings/message.h"
 #include "mojo/public/cpp/system/macros.h"
 
@@ skipping 13 matching lines @@
 
  protected:
   MessageReceiver* sink_;
 };
 
 // A trivial filter that simply forwards every message it receives to |sink_|.
 class PassThroughFilter : public MessageFilter {
  public:
   explicit PassThroughFilter(MessageReceiver* sink = NULL);
 
-  virtual bool Accept(Message* message) MOJO_OVERRIDE;
+  virtual bool Accept(Message* message) override;
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_MESSAGE_FILTER_H_