Not guarding against the possibility of m_fullScreenRootLayer and m_rootLayer being null during an animation request.
Created attachment 90752 [details]
Comment on attachment 90752 [details]
Committed r84698: <http://trac.webkit.org/changeset/84698>
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fast/history/history-subframe-with-name.html bug 51039 (author: email@example.com)
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