2009-11-09 Kevin Watters <kevinwatters@gmail.com>

2009-11-09  Kevin Watters  <kevinwatters@gmail.com>

        Reviewed by Darin Adler.

        Thunk to the main thread from ~Database to deref Database's m_document.

        If the Database was the Document's last referrer, then ~Document occurs on the
        Database thread, and ASSERT(!m_styleRecalcTimer.isActive()) hits a main thread
        ASSERT in debug builds.

        * storage/Database.cpp:
        (WebCore::derefDocument):
        (WebCore::Database::~Database):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@50666 268f45cc-cd09-0410-ab3c-d52691b4dbfc