CONSOLE MESSAGE: callback not yet supported

PASS DataTransfer interface: existence and properties of interface object
PASS DataTransfer interface object length
PASS DataTransfer interface object name
PASS DataTransfer interface: existence and properties of interface prototype object
PASS DataTransfer interface: existence and properties of interface prototype object's "constructor" property
PASS DataTransfer interface: attribute dropEffect
PASS DataTransfer interface: attribute effectAllowed
PASS DataTransfer interface: attribute items
PASS DataTransfer interface: operation setDragImage(Element,long,long)
PASS DataTransfer interface: attribute types
PASS DataTransfer interface: operation getData(DOMString)
PASS DataTransfer interface: operation setData(DOMString,DOMString)
PASS DataTransfer interface: operation clearData(DOMString)
PASS DataTransfer interface: attribute files
PASS DataTransferItemList interface: existence and properties of interface object
PASS DataTransferItemList interface object length
PASS DataTransferItemList interface object name
PASS DataTransferItemList interface: existence and properties of interface prototype object
PASS DataTransferItemList interface: existence and properties of interface prototype object's "constructor" property
PASS DataTransferItemList interface: attribute length
PASS DataTransferItemList interface: operation add(DOMString,DOMString)
PASS DataTransferItemList interface: operation add(File)
PASS DataTransferItemList interface: operation remove(unsigned long)
PASS DataTransferItemList interface: operation clear()
PASS DataTransferItem interface: existence and properties of interface object
PASS DataTransferItem interface object length
PASS DataTransferItem interface object name
PASS DataTransferItem interface: existence and properties of interface prototype object
PASS DataTransferItem interface: existence and properties of interface prototype object's "constructor" property
PASS DataTransferItem interface: attribute kind
PASS DataTransferItem interface: attribute type
PASS DataTransferItem interface: operation getAsString(FunctionStringCallback)
PASS DataTransferItem interface: operation getAsFile()