Patch 3 in the series.

WebCore/platform/network/BlobData.h

 /*
  * 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 184 matching lines @@
     BlobData() { }
 
     // This is only exposed to BlobStorageData.
     void appendData(const RawData&, long long offset, long long length);
 
     String m_contentType;
     String m_contentDisposition;
     BlobDataItemList m_items;
 };
 
+// FIXME: This class is mostly place holder until I get farther along in landing
+// https://codereview.chromium.org/11192017/.
+class BlobDataHandle : public ThreadSafeRefCounted<BlobDataHandle> {
+public:
+    static PassRefPtr<BlobDataHandle> create(PassOwnPtr<BlobData> data, long long size)
+    {
+        return adoptRef(new BlobDataHandle(data, size));
+    }
+
+    ~BlobDataHandle();
+
+private:
+    BlobDataHandle(PassOwnPtr<BlobData> data, long long size);
+    KURL m_internalURL;
+};
+
 } // namespace WebCore
 
 #endif // BlobData_h