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

WebCore/fileapi/FileReaderLoader.cpp

Index: WebCore/fileapi/FileReaderLoader.cpp
===================================================================
--- WebCore/fileapi/FileReaderLoader.cpp	(revision 140218)
+++ WebCore/fileapi/FileReaderLoader.cpp	(working copy)
@@ -36,12 +36,12 @@
 
 #include "Blob.h"
 #include "BlobURL.h"
+#include "BlobRegistry.h"
 #include "FileReaderLoaderClient.h"
 #include "ResourceRequest.h"
 #include "ResourceResponse.h"
 #include "ScriptExecutionContext.h"
 #include "TextResourceDecoder.h"
-#include "ThreadableBlobRegistry.h"
 #include "ThreadableLoader.h"
 #include <wtf/ArrayBuffer.h>
 #include <wtf/PassRefPtr.h>
@@ -69,18 +69,20 @@
 {
     terminate();
     if (!m_urlForReading.isEmpty())
-        ThreadableBlobRegistry::unregisterBlobURL(m_urlForReading);
+        blobRegistry().revokePublicBlobURL(m_urlForReading);
 }
 
 void FileReaderLoader::start(ScriptExecutionContext* scriptExecutionContext, Blob* blob)
 {
+    ASSERT(m_urlForReading.isEmpty()); // Instances can not be reused.
+
     // The blob is read by routing through the request handling layer given a temporary public url.
     m_urlForReading = BlobURL::createPublicURL(scriptExecutionContext->securityOrigin());
     if (m_urlForReading.isEmpty()) {
         failed(FileError::SECURITY_ERR);
         return;
     }
-    ThreadableBlobRegistry::registerBlobURL(scriptExecutionContext->securityOrigin(), m_urlForReading, blob->url());
+    blobRegistry().registerPublicBlobURL(scriptExecutionContext->securityOrigin(), m_urlForReading, blob->blobDataHandle());
 
     // Construct and load the request.
     ResourceRequest request(m_urlForReading);