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
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
            public void selectionChanged(SelectionChangedEvent event) {
                handleSelectionChanged(event);
            }
        });
        viewer.addDoubleClickListener(new IDoubleClickListener() {
            public void doubleClick(DoubleClickEvent event) {
                handleDoubleClick(event);
            }
        });
        viewer.addOpenListener(new IOpenListener() {
            public void open(OpenEvent event) {
                handleOpen(event);
            }
        });
        viewer.getControl().addKeyListener(new KeyListener() {
            public void keyPressed(KeyEvent event) {
                handleKeyPressed(event);
            }
            public void keyReleased(KeyEvent event) {
                handleKeyReleased(event);
            }
        });
    }
    /* (non-Javadoc)
     * Method declared on IWorkbenchPart.
     */
    public void dispose() {
        getSite().getPage().removePartListener(partListener);
        IWorkingSetManager workingSetManager = getPlugin().getWorkbench()