DataObjectGtk represents the data of a selection, like GtkSelectionData, used for clipboard and drag adn drop operations. Data object is a very generic name, and the Gtk suffix sounds like if this is the GTK implementation of a generic DataObject class.
Created attachment 289543 [details]
Created attachment 289545 [details]
Fix the build
Fixed wrong forward declaration
Committed r206256: <http://trac.webkit.org/changeset/206256>