Reviewed by Darin.

    Reviewed by Darin.

        - fix http://bugzilla.opendarwin.org/show_bug.cgi?id=8264
        toLowerCase and toUpperCase don't honor special mappings

        Test: fast/js/string-capitalization.html

        * JavaScriptCore.xcodeproj/project.pbxproj: Added KXMLCore::Unicode headers to the project.
        * icu/unicode/putil.h: Added (copied from WebCore).
        * icu/unicode/uiter.h: Ditto.
        * icu/unicode/ustring.h: Ditto.
        * kjs/string_object.cpp:
        (StringProtoFunc::callAsFunction): Use the new KXMLCore::Unicode::toUpper() and toLower().
        * kjs/ustring.cpp: Removed unused (and evil) UChar::toLower() and toUpper().
        * kjs/ustring.h: Ditto.

        * kxmlcore/unicode/Unicode.h: Corrected capitalization of the word Unicode.
        * kxmlcore/unicode/UnicodeCategory.h: Renamed include guard macro to match file name.

        * kxmlcore/unicode/icu/UnicodeIcu.h:
        (KXMLCore::Unicode::toLower): Work on strings, not individual characters. Use ICU root locale.
        (KXMLCore::Unicode::toUpper): Ditto.
        (KXMLCore::Unicode::isFormatChar): Use int32_t, which can hold a complete code point.
        (KXMLCore::Unicode::isSeparatorSpace): Ditto.
        (KXMLCore::Unicode::category): Ditto.
        * kxmlcore/unicode/qt4/UnicodeQt4.h:
        (KXMLCore::Unicode::toLower): Work on strings, not individual characters.
        (KXMLCore::Unicode::toUpper): Ditto.
        (KXMLCore::Unicode::isFormatChar): Use int32_t, which can hold a complete code point.
        (KXMLCore::Unicode::isSeparatorSpace): Ditto.
        (KXMLCore::Unicode::category): Ditto.

        * tests/mozilla/ecma/String/15.5.4.12-1.js: Corrected expected results.
        * tests/mozilla/ecma/String/15.5.4.12-5.js: Corrected expected results.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@13740 268f45cc-cd09-0410-ab3c-d52691b4dbfc