********** WebCore blob hacking

WebCore/html/DOMURL.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2012 Motorola Mobility Inc.
  *
  * 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 85 matching lines @@
 
 String DOMURL::createObjectURL(ScriptExecutionContext* scriptExecutionContext, Blob* blob)
 {
     if (!scriptExecutionContext || !blob)
         return String();
 
     KURL publicURL = BlobURL::createPublicURL(scriptExecutionContext->securityOrigin());
     if (publicURL.isEmpty())
         return String();
 
-    ThreadableBlobRegistry::registerBlobURL(scriptExecutionContext->securityOrigin(), publicURL, blob->url());
+    blobRegistry().registerPublicBlobURL(scriptExecutionContext->securityOrigin(), publicURL, blob->blobDataHandle());
     scriptExecutionContext->publicURLManager().blobURLs().add(publicURL.string());
 
     return publicURL.string();
 }
 
 void DOMURL::revokeObjectURL(ScriptExecutionContext* scriptExecutionContext, const String& urlString)
 {
     if (!scriptExecutionContext)
         return;
 
     MemoryCache::removeUrlFromCache(scriptExecutionContext, urlString);
 
     KURL url(KURL(), urlString);
     HashSet<String>& blobURLs = scriptExecutionContext->publicURLManager().blobURLs();
     if (blobURLs.contains(url.string())) {
-        ThreadableBlobRegistry::unregisterBlobURL(url);
+        blobRegistry().revokePublicBlobURL(url);
         blobURLs.remove(url.string());
     }
 
 #if ENABLE(MEDIA_SOURCE)
     HashSet<String>& sourceURLs = scriptExecutionContext->publicURLManager().sourceURLs();
     if (sourceURLs.contains(url.string())) {
         MediaSourceRegistry::registry().unregisterMediaSourceURL(url);
         sourceURLs.remove(url.string());
     }
 #endif
 #if ENABLE(MEDIA_STREAM)
     HashSet<String>& streamURLs = scriptExecutionContext->publicURLManager().streamURLs();
     if (streamURLs.contains(url.string())) {
         // FIXME: make sure of this assertion below. Raise a spec question if required.
         // Since WebWorkers cannot obtain Stream objects, we should be on the main thread.
         ASSERT(isMainThread());
         MediaStreamRegistry::registry().unregisterMediaStreamURL(url);
         streamURLs.remove(url.string());
     }
 #endif
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(BLOB)