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

WebCore/bindings/v8/SerializedScriptValue.h

Index: WebCore/bindings/v8/SerializedScriptValue.h
===================================================================
--- WebCore/bindings/v8/SerializedScriptValue.h	(revision 140218)
+++ WebCore/bindings/v8/SerializedScriptValue.h	(working copy)
@@ -34,14 +34,17 @@
 #include "ScriptValue.h"
 #include <v8.h>
 #include <wtf/ArrayBuffer.h>
+#include <wtf/HashMap.h>
 #include <wtf/Threading.h>
 
 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:
@@ -87,7 +90,10 @@
     ScriptValue deserializeForInspector(ScriptState*);
 #endif
 
-    const Vector<String>& blobURLs() const { return m_blobURLs; }
+    // Only reflects the truth if the SSV was created by walking a v8 value. The class
+    // does not know about blobs potentially contained the data string when its its
+    // been 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.
@@ -96,10 +102,6 @@
     void registerMemoryAllocatedWithCurrentScriptContext();
 
 private:
-    enum StringDataMode {
-        StringValue,
-        WireData
-    };
     typedef Vector<WTF::ArrayBufferContents, 1> ArrayBufferContentsArray;
 
     SerializedScriptValue();
@@ -110,7 +112,7 @@
 
     String m_data;
     OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray;
-    Vector<String> m_blobURLs;
+    BlobDataHandleMap m_blobDataHandles;
     intptr_t m_externallyAllocatedMemory;
 };