Reviewed by Sam.

    Reviewed by Sam.

        - fixed <rdar://problem/5220706> REGRESSION (TOT): repro crash in -[WebView(WebViewInternal) _addObject:forIdentifier:] [14425]
        http://bugs.webkit.org/show_bug.cgi?id=14425

        * bindings/js/kjs_window.cpp:
        (KJS::createWindow): No longer take an immediate argument - always do immediate loads
        on a newly created Window. Also, do a load of "" to make sure that the right info makes
        it to the app.
        (KJS::showModalDialog): Updated for above.
        (KJS::WindowFunc::callAsFunction): Updated for above.
        * dom/Document.cpp:
        (WebCore::Document::shouldBeAllowedToLoadLocalResources): If our URL is about:blank,
        we're allowed if our opener is (since the opener must have written the contents).
        * loader/FrameLoader.cpp:
        (WebCore::FrameLoader::changeLocation): Add a variant which takes a KURL, which it
        expects to be pre-completed. This is to avoid completing "" to the opener URL.
        (WebCore::FrameLoader::urlSelected): Allow loading empty URLs.
        * loader/FrameLoader.h:

        Test case is manual only, since it takes particular app behavior to reproduce:

        * manual-tests/new-window-subresource-crash.html: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@24105 268f45cc-cd09-0410-ab3c-d52691b4dbfc