Fix <rdar://5423441> Should get focus ring color from SafariTheme

    Fix <rdar://5423441> Should get focus ring color from SafariTheme

        Reviewed by Hyatt.

        No regression test possible.

        * WebCore.vcproj/WebCore.vcproj: Added ColorSafari.cpp.
        * platform/graphics/win/ColorSafari.cpp: Added.
        (WebCore::makeRGBAFromCGColor): Added.
        (WebCore::focusRingColor): Added. Gets the focus ring color from
        SafariTheme if SafariTheme has support for it.
        (WebCore::setFocusRingColorChangeFunction): Added.
        * platform/win/TemporaryLinkStubs.cpp: Removed focus ring color
        functions.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@25610 268f45cc-cd09-0410-ab3c-d52691b4dbfc