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
/**
	 * @param i
	 * @return
	 */
	private SearchScopeAction getSearchScopeAction(int searchScopeType, String[] workingSetNames) {
		switch (searchScopeType) {
			case SEARCH_SCOPE_TYPE_WORKSPACE: 
				return fSearchScopeWorkspaceAction;
			case SEARCH_SCOPE_TYPE_PROJECT: 
				return fSearchScopeProjectAction;
			case SEARCH_SCOPE_TYPE_HIERARCHY: 
				return fSearchScopeHierarchyAction;
			case SEARCH_SCOPE_TYPE_WORKING_SET:
				IWorkingSet[] workingSets= getWorkingSets(workingSetNames);
				if (workingSets != null && workingSets.length > 0) {
					return new SearchScopeWorkingSetAction(this, workingSets, getScopeDescription(workingSets));
				}
				return null;
		}
		return null;
	}
	
	/**
	 * @return
	 */
	private int getSearchScopeType() {
		if (fSelectedAction != null) {
			return fSelectedAction.getSearchScopeType();
		}