Merge 67646 - BlobData should be copied for it to be used cross-thread in Thr...

WebCore/fileapi/ThreadableBlobRegistry.cpp

 /*
  * Copyright (C) 2010 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 24 matching lines @@
 #include "BlobData.h"
 #include "BlobRegistry.h"
 #include "ScriptExecutionContext.h"
 #include <wtf/MainThread.h>
 
 namespace WebCore {
 
 struct BlobRegistryContext {
     BlobRegistryContext(const KURL& url, PassOwnPtr<BlobData> blobData)
         : url(url.copy())
-        , blobData(blobData)
+        , blobData(blobData->copy())
     {
     }
 
     BlobRegistryContext(const KURL& url, const KURL& srcURL)
         : url(url.copy())
         , srcURL(srcURL.copy())
     {
     }
 
     BlobRegistryContext(const KURL& url)
@@ skipping 65 matching lines @@
 void ThreadableBlobRegistry::registerBlobURL(ScriptExecutionContext*, const KURL&, const KURL&)
 {
 }
 
 void ThreadableBlobRegistry::unregisterBlobURL(ScriptExecutionContext*, const KURL&)
 {
 }
 #endif // ENABL(BLOB)
 
 } // namespace WebCore