Bug 33219 Leightweight outline no longer resizable
This is a regression.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/JavaOutlineInformationControl.java
public boolean select(Viewer viewer, Object parentElement, Object element) {
				return !(element instanceof IImportDeclaration);
			}
		});
		fTreeViewer.setContentProvider(new StandardJavaElementContentProvider(true, true));
		fTreeViewer.setSorter(new JavaElementSorter());
		fTreeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
		
		AppearanceAwareLabelProvider lprovider= new AppearanceAwareLabelProvider(
			AppearanceAwareLabelProvider.DEFAULT_TEXTFLAGS |  JavaElementLabels.F_APP_TYPE_SIGNATURE,
			AppearanceAwareLabelProvider.DEFAULT_IMAGEFLAGS
		);
		fTreeViewer.setLabelProvider(new DecoratingJavaLabelProvider(lprovider));
		fTreeViewer.getTree().addKeyListener(new KeyListener() {
			public void keyPressed(KeyEvent e)  {
				if (e.character == 0x1B) 
					dispose();
			}
			public void keyReleased(KeyEvent e) {
				
			}
		});
		fTreeViewer.getTree().addSelectionListener(new SelectionListener() {
			public void widgetSelected(SelectionEvent e) {
				
			}
			public void widgetDefaultSelected(SelectionEvent e) {
				gotoSelectedElement();
			}
		});