Let TextTrackResource be a RawResource

Source/core/fetch/TextTrackResource.cpp

 /*
  * Copyright (C) 2011 Apple 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 15 matching lines @@
 #include "config.h"
 
 #include "core/fetch/TextTrackResource.h"
 
 #include "core/fetch/ResourceClient.h"
 #include "core/fetch/ResourceClientWalker.h"
 
 namespace WebCore {
 
 TextTrackResource::TextTrackResource(const ResourceRequest& resourceRequest)
-    : Resource(resourceRequest, TextTrack)
+    : RawResource(resourceRequest, TextTrack)
 {
 }
 
 TextTrackResource::~TextTrackResource()
 {
 }
 
-void TextTrackResource::appendData(const char* data, int length)
-{
-    Resource::appendData(data, length);
-    ResourceClientWalker<ResourceClient> walker(m_clients);
-    while (ResourceClient *client = walker.next())
-        client->deprecatedDidReceiveResource(this);
 }
-
-}
-