crash in CSSStyleSelector.cpp
Created attachment 65736 [details]
Simon, can you review this? It's a crash that seems to have been introduced by http://trac.webkit.org/changeset/66141.
Comment on attachment 65736 [details]
CSSPropertyWebkitMaskBoxImage needs a similar check.
Created attachment 65740 [details]
Comment on attachment 65740 [details]