Patch 3 in the series.

WebCore/platform/network/BlobData.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 12 matching lines @@
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "BlobData.h"
+#include "BlobURL.h"
+#include "ThreadableBlobRegistry.h"
 
 #include <wtf/OwnPtr.h>
 #include <wtf/PassOwnPtr.h>
 #include <wtf/PassRefPtr.h>
 #include <wtf/RefPtr.h>
 #include <wtf/Vector.h>
 
 namespace WebCore {
 
 const long long BlobDataItem::toEndOfFile = -1;
@@ skipping 51 matching lines @@
 {
     m_items.append(BlobDataItem(url, offset, length, expectedModificationTime));
 }
 #endif
 
 void BlobData::swapItems(BlobDataItemList& items)
 {
     m_items.swap(items);
 }
 
+
+BlobDataHandle::BlobDataHandle(PassOwnPtr<BlobData> data, long long size)
+{
+    m_internalURL = BlobURL::createInternalURL();
+    ThreadableBlobRegistry::registerBlobURL(m_internalURL, data);
+}
+
+BlobDataHandle::~BlobDataHandle()
+{
+    ThreadableBlobRegistry::unregisterBlobURL(m_internalURL);
+}
+
 } // namespace WebCore