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ggaren@apple.com authored
Reviewed by Maciej Stachowiak. Fixed crash on window close (maybe crash on launch?) due to missing frame null checks https://bugs.webkit.org/show_bug.cgi?id=53408 * UIProcess/WebContext.cpp: (WebKit::WebContext::didNavigateWithNavigationData): (WebKit::WebContext::didPerformClientRedirect): (WebKit::WebContext::didPerformServerRedirect): (WebKit::WebContext::didUpdateHistoryTitle): Check for NULL, since we're calling a function that can return it. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@77102 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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