[webkit-reviews] review requested: [Bug 130960] WebKitPerfMonitor: Tooltips can be cut off at the top : [Attachment 228157] Rebased against ToT

[bugzilla-daemon at webkit.org]

Ryosuke Niwa <rniwa at webkit.org> has asked  for review:
Bug 130960: WebKitPerfMonitor: Tooltips can be cut off at the top
https://bugs.webkit.org/show_bug.cgi?id=130960

Attachment 228157: Rebased against ToT
https://bugs.webkit.org/attachment.cgi?id=228157&action=review