Reviewed by Hyatt, checked in by Tim H.

        Adding testcase for bug 8223.

        * fast/dom/css-inline-style-important-expected.checksum: Added.
        * fast/dom/css-inline-style-important-expected.png: Added.
        * fast/dom/css-inline-style-important-expected.txt: Added.
        * fast/dom/css-inline-style-important.html: Added.

WebCore:

        Reviewed by Hyatt, checked in by Tim H.

        http://bugzilla.opendarwin.org/show_bug.cgi?id=8223
        WebKit fails to update style on element via DOM

        Handle !important by detecting it and using a different code
        path from normal priority.

        * bindings/js/kjs_css.cpp:
        (KJS::DOMCSSStyleDeclaration::put):
        * css/CSSStyleDeclaration.cpp:
        (WebCore::CSSStyleDeclaration::setProperty):
        * css/CSSStyleDeclaration.h:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@14700 268f45cc-cd09-0410-ab3c-d52691b4dbfc