Reviewed by Darin.

        Add String::split which returns a Vector of Strings and use it instead of 
        DeprecatedStringList.
        
        * bindings/js/kjs_events.cpp:
        (KJS::Clipboard::getValueProperty):
        * bindings/js/kjs_window.cpp:
        (KJS::parseModalDialogFeatures):
        * css/MediaList.cpp:
        (WebCore::MediaList::setMediaText):
        * dom/Clipboard.h:
        * html/HTMLFormElement.cpp:
        (WebCore::HTMLFormElement::formData):
        * html/HTMLLinkElement.cpp:
        (WebCore::HTMLLinkElement::tokenizeRelAttribute):
        * platform/PlatformString.h:
        * platform/String.cpp:
        (WebCore::String::split):
        * platform/StringImpl.cpp:
        * platform/StringImpl.h:
        * platform/mac/ClipboardMac.h:
        * platform/mac/ClipboardMac.mm:
        (WebCore::ClipboardMac::types):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@16479 268f45cc-cd09-0410-ab3c-d52691b4dbfc