It turns out that CAContext remote hosting is slightly different on iOS. <rdar://problem/15950271>
Created attachment 222860 [details] patch
Comment on attachment 222860 [details] patch View in context: https://bugs.webkit.org/attachment.cgi?id=222860&action=review > Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm:556 > case LayerHostingModeInWindowServer: Didn't you remove this enum?
Comment on attachment 222860 [details] patch View in context: https://bugs.webkit.org/attachment.cgi?id=222860&action=review >> Source/WebKit2/WebProcess/WebPage/mac/TiledCoreAnimationDrawingArea.mm:556 >> case LayerHostingModeInWindowServer: > > Didn't you remove this enum? yuuuup, will fix. thanks!
http://trac.webkit.org/changeset/163218