Bug 187594 Compiler warnings in I20070517-0010
1. WARNING in /Eclipse RCP Tests/org/eclipse/ui/tests/rcp/WorkbenchWindowConfigurerTest.java (at line 189) ActionBarAdvisor advisor = new ActionBarAdvisor(configurer) { The local variable advisor is never read 1. WARNING in /src/org/eclipse/ui/internal/ide/application/IDEWorkbenchAdvisor.java (at line 38) import org.eclipse.jface.dialogs.Dialog; The import org.eclipse.jface.dialogs.Dialog is never used 2. WARNING in /src/org/eclipse/ui/internal/ide/application/IDEWorkbenchAdvisor.java (at line 46) import org.eclipse.jface.resource.ImageRegistry; The import org.eclipse.jface.resource.ImageRegistry is never used 3. WARNING in /src/org/eclipse/ui/internal/ide/application/IDEWorkbenchAdvisor.java (at line 47) import org.eclipse.jface.resource.JFaceResources; The import org.eclipse.jface.resource.JFaceResources is never used
bundles/org.eclipse.ui.ide.application/src/org/eclipse/ui/internal/ide/application/IDEWorkbenchAdvisor.java
}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.application.WorkbenchAdvisor#postStartup()
	 */
	public void postStartup() {
		try {
			refreshFromLocal();
			activateProxyService();
			checkUpdates();
			((Workbench) PlatformUI.getWorkbench()).registerService(
					ISelectionConversionService.class,
					new IDESelectionConversionService());
			initializeSettingsChangeListener();
			Display.getCurrent().addListener(SWT.Settings,
					settingsChangeListener);
		} finally {
			Platform.getJobManager().resume();
		}
	}
	/**
	 * Activate the proxy service by obtaining it.
	 */
	private void activateProxyService() {
		Bundle bundle = Platform.getBundle("org.eclipse.ui.ide"); 
		Object proxyService = null;
		if (bundle != null) {
			ServiceReference ref = bundle.getBundleContext().getServiceReference(IProxyService.class.getName());
			if (ref != null)