[webkit-reviews] review requested: [Bug 169168] [WK2] Add a UI delegate SPI hook to enable or disable navigation on drop : [Attachment 303679] Address feedback + fix builds

[bugzilla-daemon at webkit.org]

Wenson Hsieh <wenson_hsieh at apple.com> has asked  for review:
Bug 169168: [WK2] Add a UI delegate SPI hook to enable or disable navigation on
drop
https://bugs.webkit.org/show_bug.cgi?id=169168

Attachment 303679: Address feedback + fix builds

https://bugs.webkit.org/attachment.cgi?id=303679&action=review