[webkit-reviews] review requested: [Bug 38245] WebView drawing code may access null backing store dirty region : [Attachment 54531] patch

[bugzilla-daemon at webkit.org]

Steve Falkenburg <sfalken at apple.com> has asked	for review:
Bug 38245: WebView drawing code may access null backing store dirty region
https://bugs.webkit.org/show_bug.cgi?id=38245

Attachment 54531: patch
https://bugs.webkit.org/attachment.cgi?id=54531&action=review