Redo "Use an explicit 'this' parameter instead of 'This' nodes."

pkg/analyzer2dart/lib/src/modely.dart

Index: pkg/analyzer2dart/lib/src/modely.dart
diff --git a/pkg/analyzer2dart/lib/src/modely.dart b/pkg/analyzer2dart/lib/src/modely.dart
index 4df5cdc734d81b93fef169c4cc7444aa975c1f4a..493b58da45a0d94815a57436aec4583cb7de788c 100644
--- a/pkg/analyzer2dart/lib/src/modely.dart
+++ b/pkg/analyzer2dart/lib/src/modely.dart
@@ -753,9 +753,15 @@ abstract class LocalElementMixin implements ElementY, dart2js.LocalElement {
   bool get isLocal => true;
 
   @override
+  bool get isInstanceMember => false;
+
+  @override
   bool get isStatic => false;
 
   @override
+  bool get isTopLevel => false;
+
+  @override
   get executableContext => unsupported('executableContext');
 
   // TODO(johnniwinther): Ensure the correct semantics of this.
@@ -880,4 +886,4 @@ class InstanceMethodElementY extends ElementY
 
   @override
   get nestedClosures => unsupported('nestedClosures');
-}
+}