Bug 6407 reminder: register the context menu in the JavaOutlinePage
the context menu in the JavaOutlinePage should be registered with the page's site.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaOutlinePage.java
public final static int PUBLIC=		0;
				public final static int PROTECTED=	1;
				public final static int PRIVATE=	2;
				public final static int DEFAULT=	3;
				public final static int NOT_STATIC=	4;
				
				private int fVisibility;
				
				public VisibilityFilter(int visibility) {
					fVisibility= visibility;
				}
				
				/* 
				 * 1GEWBY4: ITPJUI:ALL - filtering incorrect on interfaces.
				 */
				private boolean belongsToInterface(IMember member) {
					
					IType type= member.getDeclaringType();
					
					if (type != null) {
						try {
							return type.isInterface();
						} catch (JavaModelException x) {
							
						}
					}
					
					return false;