Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/websockets/NewWebSocketChannelImpl.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:
  *
  *     * 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 33 matching lines @@
 #include "public/platform/WebSocketHandshakeRequestInfo.h"
 #include "public/platform/WebSocketHandshakeResponseInfo.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 #include "public/platform/WebVector.h"
 
 using blink::WebSocketHandle;
 
 namespace WebCore {
 
-class NewWebSocketChannelImpl::BlobLoader : public FileReaderLoaderClient {
+class NewWebSocketChannelImpl::BlobLoader FINAL : public FileReaderLoaderClient {
 public:
     BlobLoader(PassRefPtr<BlobDataHandle>, NewWebSocketChannelImpl*);
     virtual ~BlobLoader() { }
 
     void cancel();
 
     // FileReaderLoaderClient functions.
     virtual void didStartLoading() OVERRIDE { }
     virtual void didReceiveData() OVERRIDE { }
     virtual void didFinishLoading() OVERRIDE;
@@ skipping 412 matching lines @@
     if (errorCode == FileError::ABORT_ERR) {
         // The error is caused by cancel().
         return;
     }
     // FIXME: Generate human-friendly reason message.
     failAsError("Failed to load Blob: error code = " + String::number(errorCode));
     // |this| can be deleted here.
 }
 
 } // namespace WebCore