Mojo: MOJO_OVERRIDE -> override in mojo/.

mojo/examples/apptest/example_service_impl.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_EXAMPLES_TEST_EXAMPLE_SERVICE_IMPL_H_
 #define MOJO_EXAMPLES_TEST_EXAMPLE_SERVICE_IMPL_H_
 
 #include "mojo/examples/apptest/example_service.mojom.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 
 class ApplicationConnection;
 
 class ExampleServiceImpl : public InterfaceImpl<ExampleService> {
  public:
   ExampleServiceImpl();
   virtual ~ExampleServiceImpl();
 
  private:
   // InterfaceImpl<ExampleService> overrides.
-  virtual void Ping(uint16_t ping_value) MOJO_OVERRIDE;
-  virtual void RunCallback(const Callback<void()>& callback) MOJO_OVERRIDE;
+  virtual void Ping(uint16_t ping_value) override;
+  virtual void RunCallback(const Callback<void()>& callback) override;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(ExampleServiceImpl);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_EXAMPLES_TEST_EXAMPLE_SERVICE_IMPL_H_