Bug 85452 [IDE] (regression) Backdrop missing when all perspectives closed
I20050215-2300 - close all perspectives - the main page is blank - it should have a backdrop with text and button explaining how to open a perspective
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
bundleGroups.remove(previousFeaturesArray[i]);
        return bundleGroups;
    }
    /**
     * Declares all IDE-specific workbench images. This includes both "shared"
     * images (named in {@link IDE.SharedImages}) and
     * internal images (named in
     * {@link org.eclipse.ui.internal.ide.IDEInternalWorkbenchImages}).
     * 
     * @see IWorkbenchConfigurer#declareImage
     */
    private void declareWorkbenchImages() {
        final String ICONS_PATH = "icons/full/";
        final String PATH_ELOCALTOOL = ICONS_PATH + "elcl16/"; 
        final String PATH_ETOOL = ICONS_PATH + "etool16/"; 
        final String PATH_DTOOL = ICONS_PATH + "dtool16/"; 
        final String PATH_OBJECT = ICONS_PATH + "obj16/"; 
        final String PATH_WIZBAN = ICONS_PATH + "wizban/"; 
        Bundle ideBundle = Platform.getBundle(IDEWorkbenchPlugin.IDE_WORKBENCH);
        declareWorkbenchImage(ideBundle,
                IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC, PATH_ETOOL
                        + "build_exec.gif", false); 
        declareWorkbenchImage(ideBundle,
                IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC_HOVER,
                PATH_ETOOL + "build_exec.gif", false); 
        declareWorkbenchImage(ideBundle,
                IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC_DISABLED,
                PATH_DTOOL + "build_exec.gif", false); 
        declareWorkbenchImage(ideBundle,
                IDEInternalWorkbenchImages.IMG_ETOOL_SEARCH_SRC, PATH_ETOOL