[webkit-reviews] review requested: [Bug 37436] [Chromium] Select popups assert when destroyed. : [Attachment 53153] Fix assert and adds unit-tests

[bugzilla-daemon at webkit.org]

Jay Civelli <jcivelli at chromium.org> has asked  for review:
Bug 37436: [Chromium] Select popups assert when destroyed.
https://bugs.webkit.org/show_bug.cgi?id=37436

Attachment 53153: Fix assert and adds unit-tests
https://bugs.webkit.org/attachment.cgi?id=53153&action=review