Add OVERRIDE to ipc/.

ipc/ipc_tests.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 IPC_IPC_TESTS_H_
 #define IPC_IPC_TESTS_H_
 #pragma once
 
 #include "base/test/multiprocess_test.h"
 #include "base/process.h"
@@ skipping 18 matching lines @@
 class MessageLoopForIO;
 namespace IPC {
 class Channel;
 }  // namespace IPC
 
 //Base class to facilitate Spawning IPC Client processes.
 class IPCChannelTest : public base::MultiProcessTest {
  protected:
 
   // Create a new MessageLoopForIO For each test.
-  virtual void SetUp();
-  virtual void TearDown();
+  virtual void SetUp() OVERRIDE;
+  virtual void TearDown() OVERRIDE;
 
   // Spawns a child process of the specified type
   base::ProcessHandle SpawnChild(ChildType child_type, IPC::Channel* channel);
 
   // Created around each test instantiation.
   MessageLoopForIO* message_loop_;
 };
 
 #endif  // IPC_IPC_TESTS_H_