Blob support for IDB [Blink]

Source/bindings/v8/SerializedScriptValue.h

 /*
  * Copyright (C) 2009, 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 86 matching lines @@
     // case of failure.
     v8::Handle<v8::Value> deserialize(MessagePortArray* = 0);
     v8::Handle<v8::Value> deserialize(v8::Isolate*, MessagePortArray* = 0, const WebBlobInfoArray* = 0);
 
     // Helper function which pulls the values out of a JS sequence and into a MessagePortArray.
     // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3
     // of the HTML5 spec and generates exceptions as appropriate.
     // Returns true if the array was filled, or false if the passed value was not of an appropriate type.
     static bool extractTransferables(v8::Local<v8::Value>, int, MessagePortArray&, ArrayBufferArray&, ExceptionState&, v8::Isolate*);
 
-    // 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.
     // Ok to invoke multiple times (only adds memory once).
     // The memory registration is revoked automatically in destructor.
     void registerMemoryAllocatedWithCurrentScriptContext();
 
 private:
     enum StringDataMode {
         StringValue,
         WireData
     };
     typedef Vector<WTF::ArrayBufferContents, 1> ArrayBufferContentsArray;
 
     SerializedScriptValue();
     SerializedScriptValue(v8::Handle<v8::Value>, MessagePortArray*, ArrayBufferArray*, WebBlobInfoArray*, ExceptionState&, v8::Isolate*);
     explicit SerializedScriptValue(const String& wireData);
 
     static PassOwnPtr<ArrayBufferContentsArray> transferArrayBuffers(ArrayBufferArray&, ExceptionState&, v8::Isolate*);
 
     String m_data;
     OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray;
     BlobDataHandleMap m_blobDataHandles;
     intptr_t m_externallyAllocatedMemory;
 };
 
 } // namespace WebCore
 
 #endif // SerializedScriptValue_h