Bug 60714 Call Hierarchy: display search scope in view title
Call Hierarchy should display the current search scope in the view title, like the Search View does. E.g.: Members calling 'updateView()' - in Workspace Calls from 'updateView()' - in Working Set: my projects
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/callhierarchy/SearchScopeActionGroup.java
} else {
			fSelectedWorkingSetNames = null;
			fSelectedAction = null;
		}
	}
	
	/**
	 * @param sets
	 */
	private String[] getWorkingSetNames(IWorkingSet[] sets) {
		String[] result= new String[sets.length];
		for (int i = 0; i < sets.length; i++) {
			result[i]= sets[i].getName();
		}
		return result;
	}
	
	/**
	 * @return
	 */
	protected IWorkingSet[] getActiveWorkingSets() {
		if (fSelectedWorkingSetNames != null) {
			return getWorkingSets(fSelectedWorkingSetNames);
		}
		
		return null;
	}
	
	private IWorkingSet[] getWorkingSets(String[] workingSetNames) {
		if (workingSetNames == null) {