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
EReference MPART__TOOL_BAR = eINSTANCE.getMPart_ToolBar();
		/**
		 * The meta object literal for the '<em><b>Policy</b></em>' attribute feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EAttribute MPART__POLICY = eINSTANCE.getMPart_Policy();
		/**
		 * The meta object literal for the '<em><b>Children</b></em>' containment reference list feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference MPART__CHILDREN = eINSTANCE.getMPart_Children();
		/**
		 * The meta object literal for the '<em><b>Active Child</b></em>' reference feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference MPART__ACTIVE_CHILD = eINSTANCE.getMPart_ActiveChild();
		/**
		 * The meta object literal for the '<em><b>Handlers</b></em>' containment reference list feature.
		 * <!-- begin-user-doc -->
		 * <!-- end-user-doc -->
		 * @generated
		 */
		EReference MPART__HANDLERS = eINSTANCE.getMPart_Handlers();
		/**