[webkit-reviews] review requested: [Bug 137595] Use is<>() / downcast<>() for GraphicsLayer subclasses : [Attachment 239627] Patch

[bugzilla-daemon at webkit.org]

Chris Dumez <cdumez at apple.com> has asked  for review:
Bug 137595: Use is<>() / downcast<>() for GraphicsLayer subclasses
https://bugs.webkit.org/show_bug.cgi?id=137595

Attachment 239627: Patch
https://bugs.webkit.org/attachment.cgi?id=239627&action=review