"Give that here, Malfoy," said Harry quietly. Everyone stopped talking to watch.
Malfoy smiled nastily.
"I think I'll leave it somewhere for Longbottom to find - how about - up a tree?"
"Give it here!" Harry yelled, but Malfoy had leapt onto his broomstick and taken off. He hadn't been lying, he could fly well. Hovering level with the topmost branches of an oak he called, "Come and get it, Potter!"
Harry grabbed his broom.
(Harry Potter and the Sorcerer's Stone)
The highlighted part looks like a predicative complement. Is this right?