Bug 232851 Performance regression: OpenCloseViewTest#showView:ResourceNavigator
3.4 HEAD: Elapsed : 624ms (95% in [621ms, 628ms]) Measurable effect: 6ms (0.4 SDs) CPU Time: 576ms (95% in [564ms, 589ms]) Measurable effect: 25ms (0.4 SDs)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/navigator/ResourceNavigator.java
* @param viewer the viewer
     * @since 2.0
     */
    protected void initFilters(TreeViewer viewer) {
        viewer.addFilter(patternFilter);
        viewer.addFilter(workingSetFilter);
    }
    /**
     * Initializes the linking enabled setting from the preference store.
     */
    private void initLinkingEnabled() {
        
        String setting = settings
                .get(IWorkbenchPreferenceConstants.LINK_NAVIGATOR_TO_EDITOR);
        if (setting != null) {
            linkingEnabled = setting.equals("true"); 
            return;
        }
         
        
        linkingEnabled = PlatformUI.getPreferenceStore().getBoolean(
                IWorkbenchPreferenceConstants.LINK_NAVIGATOR_TO_EDITOR);
    }
    /**
     * Adds the listeners to the viewer.
     * 
     * @param viewer the viewer
     * @since 2.0
     */
    protected void initListeners(TreeViewer viewer) {