DidTryRemoveDestRoot  797 webkit/browser/fileapi/copy_or_move_operation_delegate.cc         base::Bind(&CopyOrMoveOperationDelegate::DidTryRemoveDestRoot,
DidTryRemoveDestRoot  123 webkit/browser/fileapi/copy_or_move_operation_delegate.h   void DidTryRemoveDestRoot(const StatusCallback& callback,