Replacing the OVERRIDE with override and FINAL with final

Source/platform/mediastream/MediaStreamSource.h

 /*
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  * Copyright (C) 2012 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.
@@ skipping 26 matching lines @@
 #include "platform/heap/Handle.h"
 #include "public/platform/WebMediaConstraints.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/ThreadingPrimitives.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
-class PLATFORM_EXPORT MediaStreamSource FINAL : public GarbageCollectedFinalized<MediaStreamSource> {
+class PLATFORM_EXPORT MediaStreamSource final : public GarbageCollectedFinalized<MediaStreamSource> {
 public:
     class Observer : public GarbageCollectedMixin {
     public:
         virtual ~Observer() { }
         virtual void sourceChangedState() = 0;
         virtual void trace(Visitor*) { }
     };
 
     class ExtraData {
     public:
@@ skipping 53 matching lines @@
     HeapHashSet<Member<AudioDestinationConsumer> > m_audioConsumers;
     OwnPtr<ExtraData> m_extraData;
     blink::WebMediaConstraints m_constraints;
 };
 
 typedef HeapVector<Member<MediaStreamSource> > MediaStreamSourceVector;
 
 } // namespace blink
 
 #endif // MediaStreamSource_h