Occasional crashes in commitTransientZoom's transaction completion block
https://bugs.webkit.org/show_bug.cgi?id=136309
<rdar://problem/
17215064>
Reviewed by Dan Bernstein.
* WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm:
(WebKit::TiledCoreAnimationDrawingArea::commitTransientZoom):
Hold a reference to zoomLayer and the WebPage. It's possible that either
of these things could have gone away by the time the transaction is committed.
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@173029
268f45cc-cd09-0410-ab3c-
d52691b4dbfc