Reviewed by Sam.

    Reviewed by Sam.

        - added logging of window.prompt and window.confirm

        * DumpRenderTree/mac/UIDelegate.mm:
        (-[UIDelegate webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:]):
        Implement the recommended delegate rather than the deprecated one.
        (-[UIDelegate webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:]):
        Added.
        (-[UIDelegate webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:]):
        Added.

        * DumpRenderTree/win/UIDelegate.h:
        * DumpRenderTree/win/UIDelegate.cpp:
        (UIDelegate::runJavaScriptAlertPanelWithMessage): Got rid of unnecessary check for null string.
        (UIDelegate::runJavaScriptConfirmPanelWithMessage): Added.
        (UIDelegate::runJavaScriptTextInputPanelWithPrompt): Added.
        (UIDelegate::webViewAddMessageToConsole): Got rid of unnecessary check for null string.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@26615 268f45cc-cd09-0410-ab3c-d52691b4dbfc