Bug 25827 Disposing of MemberFilterActionGroup
Build 2.0.2 and 2.1 When investigating an editor memory leak PR we found out that this group has a dispose method which is never called. When we then called from the editor it throw an exeption (viewer was disposed). Don't know if the group really needs dispose() if so it should get called.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaOutlinePage.java
}
					
					IJavaElement[] result= new IJavaElement[v.size()];
					v.copyInto(result);
					return result;
				}
				
				public Object[] getChildren(Object parent) {
					if (parent instanceof IParent) {
						IParent c= (IParent) parent;
						try {
							return filter(c.getChildren());
						} catch (JavaModelException x) {
							JavaPlugin.log(x);
						}
					}
					return NO_CHILDREN;
				}
				
				public Object[] getElements(Object parent) {
					if (fTopLevelTypeOnly) {
						if (parent instanceof ICompilationUnit) {
							try {
								IType type= getMainType((ICompilationUnit) parent);
								return type != null ? type.getChildren() : NO_CLASS;
							} catch (JavaModelException e) {
								JavaPlugin.log(e);
							}
						} else if (parent instanceof IClassFile) {
							try {