Bug 33219 Leightweight outline no longer resizable
This is a regression.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/JavaOutlineInformationControl.java
IJavaElement element= (IJavaElement)items[i].getData();
			if (fStringMatcher == null)
				return element;
			
			if (element != null) {
				String label= labelProvider.getText(element);
				if (fStringMatcher.match(label))
					return element;
			}
			element= findElement(items[i].getItems());
			if (element != null)
				return element;
		}
		return null;
	}
	/*
	 * @see IInformationControl#setInformation(String)
	 */
	public void setInformation(String information) {
		
	}
	
	/*
	 * @see IInformationControlExtension2#setInput(Object)
	 */
	public void setInput(Object information) {
		fFilterText.setText(""); 
		if (information == null || information instanceof String) {
			setInput(null);
			return;