Bug 62896 [misc] Quick Outline should not show override indicators if decorator disabled
I20040519 The quick outline shows override indicators no matter whether the Override indicator decorator is enabled in the prefs or not. We should only install the decorator if the prefs says so since this is a performance saver.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/JavaOutlineInformationControl.java
private static final int OTHER= 1;
		private static final int CLASS= 2;
		private static final int INTERFACE= 3;
		private static final int ANONYM= 4;
		private JavaElementSorter fJavaElementSorter= new JavaElementSorter();
		
		/*
		 * @see org.eclipse.jface.viewers.ViewerSorter#sort(org.eclipse.jface.viewers.Viewer, java.lang.Object[])
		 */
		public void sort(Viewer viewer, Object[] elements) {
			if (!fLexicalSortingAction.isChecked() && !fSortByDefiningTypeAction.isChecked())
				return;
			
			super.sort(viewer, elements);
		}
		
		/*