Bug 299324 [CommonNavigator] Add new test Pipeline content provider
tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/m12/ResourceWrapperContentProvider.java
return ((ResourceWrapper) element).hasChildren();
		} catch (CoreException e) {
			e.printStackTrace();
			return false;
		}
	}
	public Object[] getElements(Object inputElement) {
		return NO_CHILDREN;
	}
	public void dispose() {
		
	}
	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
		
	}
	public void restoreState(IMemento aMemento) {
		
	}
	public void saveState(IMemento aMemento) {
		
	}
	public PipelinedShapeModification interceptAdd(
			PipelinedShapeModification modification) {
		_convertToModelObjects(modification);
		_incrementCounter(INTERCEPT_ADD);
		return modification;
	}
	public PipelinedShapeModification interceptRemove(
			PipelinedShapeModification modification) {
		_incrementCounter(INTERCEPT_REMOVE);