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andersca authored
Add null checks on the node filter, they can be null if no filter was passed to the respective create functions. * bindings/js/JSNodeIteratorCustom.cpp: (WebCore::JSNodeIterator::mark): * bindings/js/JSTreeWalkerCustom.cpp: (WebCore::JSTreeWalker::mark): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@17803 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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