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
* The feature id for the '<em><b>Tooltip</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MHANDLED_ITEM__TOOLTIP = MITEM__TOOLTIP;
	/**
	 * The feature id for the '<em><b>Command</b></em>' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MHANDLED_ITEM__COMMAND = MITEM_FEATURE_COUNT + 0;
	/**
	 * The feature id for the '<em><b>Menu</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MHANDLED_ITEM__MENU = MITEM_FEATURE_COUNT + 1;
	/**
	 * The number of structural features of the '<em>MHandled Item</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */