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
workingSet = workingSetManager.getWorkingSet(workingSetName);
		} else if (PlatformUI
				.getPreferenceStore()
				.getBoolean(
						IWorkbenchPreferenceConstants.USE_WINDOW_WORKING_SET_BY_DEFAULT)) {
			
			workingSet = getSite().getPage().getAggregateWorkingSet();
		}
		if (workingSet != null) {
			
			
			
			workingSetFilter.setWorkingSet(workingSet);
			internalSetWorkingSet(workingSet);
		}
    }
    /**
	 * Returns whether the navigator selection automatically tracks the active
	 * editor.
	 * 
	 * @return <code>true</code> if linking is enabled, <code>false</code>
	 *         if not
	 * @since 2.0 (this was protected in 2.0, but was made public in 2.1)
	 */
    public boolean isLinkingEnabled() {
        return linkingEnabled;
    }
    /**
     * Brings the corresponding editor to top if the selected resource is open.
     *