[webkit-reviews] review requested: [Bug 94086] [Chromium] Make the popup positioning code testable : [Attachment 159043] Patch 2

[bugzilla-daemon at webkit.org]

Kent Tamura <tkent at chromium.org> has asked  for review:
Bug 94086: [Chromium] Make the popup positioning code testable
https://bugs.webkit.org/show_bug.cgi?id=94086

Attachment 159043: Patch 2
https://bugs.webkit.org/attachment.cgi?id=159043&action=review

------- Additional Comments from Kent Tamura <tkent at chromium.org>
Fix signed-unsinged comparison