Bug 277676 [UI] The workbench should create the contexts
The workbench should create contexts for the model elements, MApplication and MParts (windows, sashes, contributed parts, etc). This is not really the responsibility of the renderers. PW
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/application/ApplicationPackage.java
* <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTRIMMED_PART__CHILDREN = MPART__CHILDREN;
	/**
	 * The feature id for the '<em><b>Active Child</b></em>' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTRIMMED_PART__ACTIVE_CHILD = MPART__ACTIVE_CHILD;
	/**
	 * The feature id for the '<em><b>Handlers</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTRIMMED_PART__HANDLERS = MPART__HANDLERS;
	/**
	 * The feature id for the '<em><b>Widget</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTRIMMED_PART__WIDGET = MPART__WIDGET;
	/**