[webkit-reviews] review requested: [Bug 137477] [WK2] Use is<>() / downcast<>() for DrawingAreaProxy subclasses : [Attachment 239388] Patch

[bugzilla-daemon at webkit.org]

Chris Dumez <cdumez at apple.com> has asked  for review:
Bug 137477: [WK2] Use is<>() / downcast<>() for DrawingAreaProxy subclasses
https://bugs.webkit.org/show_bug.cgi?id=137477

Attachment 239388: Patch
https://bugs.webkit.org/attachment.cgi?id=239388&action=review