Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/testing

Source/core/testing/Internals.h

Index: Source/core/testing/Internals.h
diff --git a/Source/core/testing/Internals.h b/Source/core/testing/Internals.h
index 6558adef59279d759748ff329d2cd46c499e61f4..95582d9e4942160894124ed301cfff97f2cd0cca 100644
--- a/Source/core/testing/Internals.h
+++ b/Source/core/testing/Internals.h
@@ -74,7 +74,7 @@ template <typename NodeType> class StaticNodeTypeList;
 typedef StaticNodeTypeList<Node> StaticNodeList;
 class TypeConversions;
 
-class Internals FINAL : public GarbageCollectedFinalized<Internals>, public ScriptWrappable, public ContextLifecycleObserver {
+class Internals final : public GarbageCollectedFinalized<Internals>, public ScriptWrappable, public ContextLifecycleObserver {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static Internals* create(Document*);