[webkit-reviews] review requested: [Bug 39284] Incorrect position of the vertical scrollbar after temporarily setting overflow:hidden : [Attachment 96578] Patch v4

[bugzilla-daemon at webkit.org]

Robin Qiu <robin.qiu at torchmobile.com.cn> has asked  for review:
Bug 39284: Incorrect position of the vertical scrollbar after temporarily
setting overflow:hidden
https://bugs.webkit.org/show_bug.cgi?id=39284

Attachment 96578: Patch v4
https://bugs.webkit.org/attachment.cgi?id=96578&action=review

------- Additional Comments from Robin Qiu <robin.qiu at torchmobile.com.cn>
Changelog adjustment.