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 MTRIMMED_PART__TOP_TRIM = MPART_FEATURE_COUNT + 0;
	/**
	 * The feature id for the '<em><b>Left Trim</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTRIMMED_PART__LEFT_TRIM = MPART_FEATURE_COUNT + 1;
	/**
	 * The feature id for the '<em><b>Right Trim</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTRIMMED_PART__RIGHT_TRIM = MPART_FEATURE_COUNT + 2;
	/**
	 * The feature id for the '<em><b>Bottom Trim</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int MTRIMMED_PART__BOTTOM_TRIM = MPART_FEATURE_COUNT + 3;
	/**
	 * The feature id for the '<em><b>Client Area</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated