Bug 10236 Enable decorators in Type hierarchy view
See the packages view for how to do this.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/MethodsViewer.java
new JavaSearchGroup(), new GenerateGroup()
		};
		
		setSorter(new JavaElementSorter());
	}
	
	/**
	 * Show inherited methods
	 */
	public void showInheritedMethods(boolean on) {
		MethodsContentProvider cprovider= (MethodsContentProvider) getContentProvider();
		try {
			getTable().setRedraw(false);
			cprovider.showInheritedMethods(on);
			fShowInheritedMembersAction.setChecked(on);
			if (on) {
				fLabelProvider.setTextFlags(LABEL_BASEFLAGS | JavaElementLabels.ALL_POST_QUALIFIED);
			} else {
				fLabelProvider.setTextFlags(LABEL_BASEFLAGS);
			}
			refresh();
		} catch (JavaModelException e) {
			ExceptionHandler.handle(e, getControl().getShell(), TypeHierarchyMessages.getString("MethodsViewer.toggle.error.title"), TypeHierarchyMessages.getString("MethodsViewer.toggle.error.message")); 
		} finally {
			getTable().setRedraw(true);
		}
	}
		
	/*
	 * @see Viewer#inputChanged(Object, Object)