Returns the JavaXPCOM <code>nsIWebBrowser</code> for the receiver, or <code>null</code>
if it is not available. In order for an <code>nsIWebBrowser</code> to be returned all
of the following must be true: <ul>
<li>the receiver's style must be <code>SWT.MOZILLA</code></li>
<li>the classes from JavaXPCOM >= 1.8.1.2 must be resolvable at runtime</li>
<li>the version of the underlying XULRunner must be >= 1.8.1.2</li>
</ul>
@return the receiver's JavaXPCOM <code>nsIWebBrowser</code> or <code>null</code>
Returns the JavaXPCOM <code>nsIWebBrowser</code> for the receiver, or <code>null</code> if it is not available. In order for an <code>nsIWebBrowser</code> to be returned all of the following must be true: <ul> <li>the receiver's style must be <code>SWT.MOZILLA</code></li> <li>the classes from JavaXPCOM >= 1.8.1.2 must be resolvable at runtime</li> <li>the version of the underlying XULRunner must be >= 1.8.1.2</li> </ul>
@return the receiver's JavaXPCOM <code>nsIWebBrowser</code> or <code>null</code>
@since 3.3