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beidson@apple.com authored
https://bugs.webkit.org/show_bug.cgi?id=125106 Reviewed by Sam Weinig. Only some functions in PageCache.cpp null-check the CachedPages in HistoryItems. Every part that manipulates the CachedPage should. * history/PageCache.cpp: (WebCore::PageCache::markPagesForVistedLinkStyleRecalc): (WebCore::PageCache::markPagesForFullStyleRecalc): (WebCore::PageCache::markPagesForDeviceScaleChanged): (WebCore::PageCache::markPagesForCaptionPreferencesChanged): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@159970 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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