[webkit-reviews] review requested: [Bug 135018] Sometimes purgeable (or empty!) tiles are shown on screen when resuming the app : [Attachment 235082] patch

[bugzilla-daemon at webkit.org]

Tim Horton <thorton at apple.com> has asked  for review:
Bug 135018: Sometimes purgeable (or empty!) tiles are shown on screen when
resuming the app
https://bugs.webkit.org/show_bug.cgi?id=135018

Attachment 235082: patch
https://bugs.webkit.org/attachment.cgi?id=235082&action=review