Reviewed by Darin.

    Reviewed by Darin.

        http://bugzilla.opendarwin.org/show_bug.cgi?id=10676
        @charset rules not accessible via DOM

        Test: fast/encoding/css-charset-dom.html

        * WebCore.xcodeproj/project.pbxproj: Added CSSCharsetRule.cpp
        * bindings/js/kjs_css.cpp:
        (KJS::DOMCSSStyleSheet::getValueProperty):
        Separated Rules and CssRules, since now they behave differently.

        * css/CSSCharsetRule.h: Make the constructor take an encoding.
        * css/CSSCharsetRule.cpp: Added.

        * css/CSSGrammar.y: Create CSSStylesheetRules as necessary.

        * css/CSSRuleList.cpp:
        (WebCore::CSSRuleList::CSSRuleList):
        * css/CSSRuleList.h:
        * css/CSSStyleSheet.cpp:
        (WebCore::CSSStyleSheet::cssRules):
        * css/CSSStyleSheet.h:
        Skip charset rules in IE compatibility mode.

        * css/StyleBase.h:
        (WebCore::StyleBase::isCharsetRule): Fixed a typo.

        * css/cssparser.cpp:
        (WebCore::CSSParser::createCharsetRule):
        * css/cssparser.h:
        Added createCharsetRule().

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@16217 268f45cc-cd09-0410-ab3c-d52691b4dbfc