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/internal/application/ApplicationPackageImpl.java
* <!-- begin-user-doc -->
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	 * @generated
	 */
	private EClass mCommandEClass = null;
	/**
	 * <!-- begin-user-doc -->
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	 * @generated
	 */
	private EClass mToolBarContainerEClass = null;
	/**
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	 * <!-- end-user-doc -->
	 * @generated
	 */
	private EDataType iEclipseContextEDataType = null;
	/**
	 * Creates an instance of the model <b>Package</b>, registered with
	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
	 * package URI value.
	 * <p>Note: the correct way to create the package is via the static
	 * factory method {@link #init init()}, which also performs
	 * initialization of the package, or returns the registered package,
	 * if one already exists.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see org.eclipse.emf.ecore.EPackage.Registry
	 * @see org.eclipse.e4.ui.model.application.ApplicationPackage#eNS_URI
	 * @see #init()