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
* <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTOOL_BAR_CONTAINER__ID = MAPPLICATION_ELEMENT__ID;
	/**
	 * The feature id for the '<em><b>Toolbars</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTOOL_BAR_CONTAINER__TOOLBARS = MAPPLICATION_ELEMENT_FEATURE_COUNT + 0;
	/**
	 * The feature id for the '<em><b>Horizontal</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTOOL_BAR_CONTAINER__HORIZONTAL = MAPPLICATION_ELEMENT_FEATURE_COUNT + 1;
	/**
	 * The number of structural features of the '<em>MTool Bar Container</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTOOL_BAR_CONTAINER_FEATURE_COUNT = MAPPLICATION_ELEMENT_FEATURE_COUNT + 2;