Get rid of static compareWithCompareFunctionArguments in array_instance.cpp.

        No change on SunSpider, CelticKane or iBench JavaScript. It is probable that in some cases,
        merge sort is still faster, but more investigation is needed to determine a new cutoff.
        Or possibly, it would be better to do what FIXME says (change to tree sort).

        Also, made arguments a local variable - not sure why it was a member of
        CompareWithCompareFunctionArguments.

        * kjs/array_instance.cpp:
        (KJS::CompareWithCompareFunctionArguments::CompareWithCompareFunctionArguments):
        (KJS::CompareWithCompareFunctionArguments::operator()):
        (KJS::ArrayInstance::sort):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@32220 268f45cc-cd09-0410-ab3c-d52691b4dbfc