isPrivate, isTopLevel moved to DeclarationMirror

pkg/dartdoc/lib/src/mirrors/dart2js_mirror.dart

Index: pkg/dartdoc/lib/src/mirrors/dart2js_mirror.dart
diff --git a/pkg/dartdoc/lib/src/mirrors/dart2js_mirror.dart b/pkg/dartdoc/lib/src/mirrors/dart2js_mirror.dart
index ac92e29316c8dbdb5244ecfec76dcae0ba6a9144..f521fb63a14ed187869b84303a085840855b1544 100644
--- a/pkg/dartdoc/lib/src/mirrors/dart2js_mirror.dart
+++ b/pkg/dartdoc/lib/src/mirrors/dart2js_mirror.dart
@@ -387,19 +387,22 @@ abstract class Dart2JsMirror implements Mirror {
 abstract class Dart2JsDeclarationMirror
     implements Dart2JsMirror, DeclarationMirror {
 
+  bool get isTopLevel => owner != null && owner is LibraryMirror;
+
+  bool get isPrivate => _isPrivate(simpleName);
 }
 
-abstract class Dart2JsMemberMirror
-    implements Dart2JsDeclarationMirror, MemberMirror {
+abstract class Dart2JsMemberMirror extends Dart2JsDeclarationMirror
+    implements MemberMirror {
 
 }
 
-abstract class Dart2JsTypeMirror
-    implements Dart2JsDeclarationMirror, TypeMirror {
+abstract class Dart2JsTypeMirror extends Dart2JsDeclarationMirror
+    implements TypeMirror {
 
 }
 
-abstract class Dart2JsElementMirror implements Dart2JsDeclarationMirror {
+abstract class Dart2JsElementMirror extends Dart2JsDeclarationMirror {
   final Dart2JsMirrorSystem system;
   final Element _element;
 
@@ -421,7 +424,7 @@ abstract class Dart2JsElementMirror implements Dart2JsDeclarationMirror {
   int get hashCode => qualifiedName.hashCode;
 }
 
-abstract class Dart2JsProxyMirror implements Dart2JsDeclarationMirror {
+abstract class Dart2JsProxyMirror extends Dart2JsDeclarationMirror {
   final Dart2JsMirrorSystem system;
 
   Dart2JsProxyMirror(this.system);
@@ -493,6 +496,8 @@ class Dart2JsLibraryMirror extends Dart2JsObjectMirror
 
   DeclarationMirror get owner => null;
 
+  bool get isPrivate => false;
+
   LibraryMirror library() => this;
 
   /**
@@ -767,8 +772,6 @@ class Dart2JsClassMirror extends Dart2JsObjectMirror
 
   bool get isAbstract => _class.modifiers.isAbstract();
 
-  bool get isPrivate => _isPrivate(simpleName);
-
   bool get isDeclaration => true;
 
   List<TypeMirror> get typeArguments {
@@ -897,8 +900,6 @@ class Dart2JsTypedefMirror extends Dart2JsTypeElementMirror
 
   bool get isInterface => false;
 
-  bool get isPrivate => _isPrivate(simpleName);
-
   bool get isDeclaration => true;
 
   bool get isAbstract => false;
@@ -1388,8 +1389,6 @@ class Dart2JsFieldMirror extends Dart2JsElementMirror
 
   bool get isMethod => false;
 
-  bool get isPrivate => _isPrivate(simpleName);
-
   bool get isStatic => _variable.modifiers.isStatic();
 
   bool get isFinal => _variable.modifiers.isFinal();