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
int MPART__CHILDREN = MAPPLICATION_ELEMENT_FEATURE_COUNT + 3;
	/**
	 * The feature id for the '<em><b>Active Child</b></em>' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MPART__ACTIVE_CHILD = MAPPLICATION_ELEMENT_FEATURE_COUNT + 4;
	/**
	 * The feature id for the '<em><b>Handlers</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MPART__HANDLERS = MAPPLICATION_ELEMENT_FEATURE_COUNT + 5;
	/**
	 * The feature id for the '<em><b>Widget</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MPART__WIDGET = MAPPLICATION_ELEMENT_FEATURE_COUNT + 6;
	/**
	 * The feature id for the '<em><b>Parent</b></em>' container reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated