Reviewed by mjs.

        Add stubs to allow JavaScript-enabled WebCore to not crash.
        Add ScreenWin implementation.
        Add alert() support.

        * WebCore.vcproj/WebCore/WebCore.vcproj:
        * bridge/win/FrameWin.cpp:
        (WebCore::FrameWin::runJavaScriptAlert):
        (WebCore::FrameWin::runJavaScriptConfirm):
        * platform/win/ScreenWin.cpp: Added.
        (WebCore::monitorInfoForWidget):
        (WebCore::WebCore::screenRect):
        (WebCore::WebCore::screenDepth):
        (WebCore::WebCore::usableScreenRect):
        * platform/win/TemporaryLinkStubs.cpp:
        (FrameWin::canUndo):
        (FrameWin::runJavaScriptPrompt):
        (FrameWin::canPaste):
        (WebCore::setCookies):
        (WebCore::cookies):
        (WebCore::cookiesEnabled):
        (PlugInInfoStore::createPluginInfoForPluginAtIndex):
        (PlugInInfoStore::pluginCount):
        (WebCore::refreshPlugins):
        (FrameWin::clearUndoRedoOperations):
        (FrameWin::incomingReferrer):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@13212 268f45cc-cd09-0410-ab3c-d52691b4dbfc