Bug 71640 [IDE] use of deprecated IExtension.getDeclaringPluginDescriptor()
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchPlugin.java
public static final String PL_MARKER_HELP = "markerHelp"; 
    public static final String PL_MARKER_RESOLUTION = "markerResolution"; 
    public static final String PL_CAPABILITIES = "capabilities"; 
    public static final String PL_PROJECT_NATURE_IMAGES = "projectNatureImages"; 
	
	private final static String ICONS_PATH = "$nl$/icons/full/";
    /**
     * Project image registry; lazily initialized.
     */
    private ProjectImageRegistry projectImageRegistry = null;
    /**
     * Marker image registry; lazily initialized.
     */
    private MarkerImageProviderRegistry markerImageProviderRegistry = null;
    /**
     * Capability registry; lazily initialized.
     */
    private CapabilityRegistry capabilityRegistry;
   
	/**
	 * Create an instance of the receiver.
	 */
	public IDEWorkbenchPlugin() {
		super();
		inst = this;
	}
    /**
     * Creates an extension.  If the extension plugin has not
     * been loaded a busy cursor will be activated during the duration of
     * the load.