[whatwg] Rename DataTransferItems for consistency

[Ian Hickson]

On Wed, 23 Feb 2011, Daniel Cheng wrote:
>
> For consistency with other lists of things (such as Files), would it 
> make sense to rename DataTransferItems to DataTransferItemList? It makes 
> it easier to distinguish from DataTransferItem as welll.

Done.

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
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