2011-02-03 Adam Barth <abarth@webkit.org>

2011-02-03  Adam Barth  <abarth@webkit.org>

        Reviewed by Eric Seidel.

        Make XSSFilter go fast by adding a SuffixTree
        https://bugs.webkit.org/show_bug.cgi?id=53665

        The SuffixTree lets us quickly reject snippets if the POST data is
        large (because we can avoid a linear scan over the POST data).

        * html/parser/XSSFilter.cpp:
        (WebCore::XSSFilter::init):
        (WebCore::XSSFilter::isContainedInRequest):
        * html/parser/XSSFilter.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@77560 268f45cc-cd09-0410-ab3c-d52691b4dbfc