[webkit-reviews] review requested: [Bug 62757] Have Document keep track of whether scroll listeners are registered : [Attachment 97365] Patch

[bugzilla-daemon at webkit.org]

Simon Fraser (smfr) <simon.fraser at apple.com> has asked	for review:
Bug 62757: Have Document keep track of whether scroll listeners are registered
https://bugs.webkit.org/show_bug.cgi?id=62757

Attachment 97365: Patch
https://bugs.webkit.org/attachment.cgi?id=97365&action=review