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.MStackImpl
	 * @see org.eclipse.e4.ui.model.internal.application.ApplicationPackageImpl#getMStack()
	 * @generated
	 */
	int MSTACK = 3;
	/**
	 * The feature id for the '<em><b>Owner</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MSTACK__OWNER = MPART__OWNER;
	/**
	 * The feature id for the '<em><b>Id</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MSTACK__ID = MPART__ID;
	/**
	 * The feature id for the '<em><b>Menu</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MSTACK__MENU = MPART__MENU;