Replacing the OVERRIDE with override in third_party/WebKit/Source/platform

Source/platform/LifecycleContextTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 44 matching lines @@
 namespace {
 
 
 class TestingObserver : public LifecycleObserver<DummyContext> {
 public:
     TestingObserver(DummyContext* context)
         : LifecycleObserver<DummyContext>(context)
         , m_contextDestroyedCalled(false)
     { }
 
-    virtual void contextDestroyed() OVERRIDE
+    virtual void contextDestroyed() override
     {
         LifecycleObserver<DummyContext>::contextDestroyed();
         m_contextDestroyedCalled = true;
     }
 
     bool m_contextDestroyedCalled;
 
     void unobserve() { observeContext(0); }
 };
 
@@ skipping 16 matching lines @@
     OwnPtr<TestingObserver> observer = adoptPtr(new TestingObserver(context.get()));
 
     observer->unobserve();
     context.clear();
     EXPECT_EQ(observer->lifecycleContext(), static_cast<DummyContext*>(0));
     EXPECT_FALSE(observer->m_contextDestroyedCalled);
 }
 
 
 }