Bug 165676 [JFace] Add javadoc to Window.close() to tell that no shellClosed event is sent
bundles/org.eclipse.jface/src/org/eclipse/jface/window/Window.java
* 
	 * <p>
	 * A return value of null indicates that no layout should be attached to the
	 * composite. In this case, the layout may be attached within
	 * createContents.
	 * </p>
	 * 
	 * @return a newly created Layout or null if no layout should be attached.
	 * @since 3.0
	 */
	protected Layout getLayout() {
		GridLayout layout = new GridLayout();
		layout.marginHeight = 0;
		layout.marginWidth = 0;
		return layout;
	}
	/**
	 * Constrain the shell size to be no larger than the display bounds.
	 * 
	 * @since 2.0
	 */
	protected void constrainShellSize() {
		
		Rectangle bounds = shell.getBounds();
		Rectangle constrained = getConstrainedShellBounds(bounds);
		if (!bounds.equals(constrained)) {
			shell.setBounds(constrained);
		}
	}
	/**