blob hacking webcore style

Source/bindings/v8/SerializedScriptValue.h

Index: Source/bindings/v8/SerializedScriptValue.h
diff --git a/Source/bindings/v8/SerializedScriptValue.h b/Source/bindings/v8/SerializedScriptValue.h
index b959ae158b51d29edeedf8e603ebadd52f3c2bd4..0d4f046f684fbae7fc2ea926b4cd7e7024077ea4 100644
--- a/Source/bindings/v8/SerializedScriptValue.h
+++ b/Source/bindings/v8/SerializedScriptValue.h
@@ -33,6 +33,7 @@
 
 #include "bindings/v8/ScriptValue.h"
 
+#include "wtf/HashMap.h"
 #include "wtf/ThreadSafeRefCounted.h"
 #include <v8.h>
 
@@ -45,10 +46,12 @@ class ArrayBufferContents;
 
 namespace WebCore {
 
+class BlobDataHandle;
 class MessagePort;
 
 typedef Vector<RefPtr<MessagePort>, 1> MessagePortArray;
 typedef Vector<RefPtr<WTF::ArrayBuffer>, 1> ArrayBufferArray;
+typedef HashMap<String, RefPtr<BlobDataHandle> > BlobDataHandleMap;
 
 class SerializedScriptValue : public ThreadSafeRefCounted<SerializedScriptValue> {
 public:
@@ -93,7 +96,9 @@ public:
 
     ScriptValue deserializeForInspector(ScriptState*);
 
-    const Vector<String>& blobURLs() const { return m_blobURLs; }
+    // Only reflects the truth if the SSV was created by walking a v8 value, not reliable
+    // if the SSV was created createdFromWire(data).
+    bool containsBlobs() const { return !m_blobDataHandles.isEmpty(); }
 
     // Informs the V8 about external memory allocated and owned by this object. Large values should contribute
     // to GC counters to eventually trigger a GC, otherwise flood of postMessage() can cause OOM.
@@ -120,7 +125,7 @@ private:
 
     String m_data;
     OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray;
-    Vector<String> m_blobURLs;
+    BlobDataHandleMap m_blobDataHandles;
     intptr_t m_externallyAllocatedMemory;
 };