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
} else if (cat1 == ANONYM) {
				return 0;
			}
			if (fLexicalSortingAction.isChecked())
				return fJavaElementSorter.compare(viewer, e1, e2); 
			else
				return 0;
		}
		
		private IType getDefiningType(IMethod method) throws JavaModelException {
			IType declaringType= method.getDeclaringType();
			int flags= method.getFlags();
			if (Flags.isPrivate(flags) || Flags.isStatic(flags) || method.isConstructor()) {
				return null;
			}
		
			IMethod res= JavaModelUtil.findMethodDeclarationInHierarchy(getSuperTypeHierarchy(declaringType), declaringType, method.getElementName(), method.getParameterTypes(), false);
			if (res == null || method.equals(res)) {
				return null;
			}
			return res.getDeclaringType();
		}
		/*
		 * @see org.eclipse.jface.viewers.ViewerSorter#category(java.lang.Object)
		 */
		public int category(Object element) {
			if (element instanceof IType) {
				IType type= (IType) element;
				if (type.getElementName().length() == 0) {
					return ANONYM;