Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/websockets/NewWebSocketChannelImpl.h

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 44 matching lines @@
 class WebSocketHandshakeRequestInfo;
 class WebSocketHandshakeResponseInfo;
 
 } // namespace blink
 
 namespace WebCore {
 
 class Document;
 
 // This class may replace MainThreadWebSocketChannel.
-class NewWebSocketChannelImpl : public WebSocketChannel, public RefCounted<NewWebSocketChannelImpl>, public blink::WebSocketHandleClient, public ContextLifecycleObserver {
+class NewWebSocketChannelImpl FINAL : public WebSocketChannel, public RefCounted<NewWebSocketChannelImpl>, public blink::WebSocketHandleClient, public ContextLifecycleObserver {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     // You can specify the source file and the line number information
     // explicitly by passing the last parameter.
     // In the usual case, they are set automatically and you don't have to
     // pass it.
     static PassRefPtr<NewWebSocketChannelImpl> create(ExecutionContext* context, WebSocketChannelClient* client, const String& sourceURL = String(), unsigned lineNumber = 0)
     {
         return adoptRef(new NewWebSocketChannelImpl(context, client, sourceURL, lineNumber));
     }
@@ skipping 97 matching lines @@
 
     String m_sourceURLAtConstruction;
     unsigned m_lineNumberAtConstruction;
 
     static const int64_t receivedDataSizeForFlowControlHighWaterMark = 1 << 15;
 };
 
 } // namespace WebCore
 
 #endif // NewWebSocketChannelImpl_h