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 -->
	 * @see org.eclipse.e4.ui.model.internal.application.MToolBarImpl
	 * @see org.eclipse.e4.ui.model.internal.application.ApplicationPackageImpl#getMToolBar()
	 * @generated
	 */
	int MTOOL_BAR = 14;
	/**
	 * The feature id for the '<em><b>Owner</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTOOL_BAR__OWNER = MITEM_CONTAINER__OWNER;
	/**
	 * The feature id for the '<em><b>Id</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTOOL_BAR__ID = MITEM_CONTAINER__ID;
	/**
	 * The feature id for the '<em><b>Items</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTOOL_BAR__ITEMS = MITEM_CONTAINER__ITEMS;