This method is called when the window hosting a {@link Browser} should be closed.
Application would typically close the {@link org.eclipse.swt.widgets.Shell} that
hosts the <code>Browser</code>. The <code>Browser</code> is disposed after this
notification.
<p>The following fields in the <code>WindowEvent</code> apply:
<ul>
<li>(in) widget the <code>Browser</code> that is going to be disposed
</ul></p>
@param event the <code>WindowEvent</code> that specifies the <code>Browser</code>
that is going to be disposed
This method is called when the window hosting a {@link Browser} should be closed. Application would typically close the {@link org.eclipse.swt.widgets.Shell} that hosts the <code>Browser</code>. The <code>Browser</code> is disposed after this notification.
<p>The following fields in the <code>WindowEvent</code> apply: <ul> <li>(in) widget the <code>Browser</code> that is going to be disposed </ul></p>
@param event the <code>WindowEvent</code> that specifies the <code>Browser</code> that is going to be disposed
@see org.eclipse.swt.widgets.Shell#close()
@since 3.0