Implement canonical name scheme in kernel.

pkg/kernel/lib/transformations/mixin_full_resolution.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 library kernel.transformations.mixin_full_resolution;
 
 import '../ast.dart';
 import '../class_hierarchy.dart';
 import '../clone.dart';
 import '../core_types.dart';
 import '../type_algebra.dart';
@@ skipping 86 matching lines @@
     // corresponding forwarding constructor in the subclass.
     // Named mixin applications already have constructors, so only build the
     // constructors for anonymous mixin applications.
     if (class_.constructors.isEmpty) {
       var superclassSubstitution = getSubstitutionMap(class_.supertype);
       var superclassCloner =
           new CloneVisitor(typeSubstitution: superclassSubstitution);
       for (var superclassConstructor in class_.superclass.constructors) {
         var forwardingConstructor =
             buildForwardingConstructor(superclassCloner, superclassConstructor);
-        class_.constructors.add(forwardingConstructor..parent = class_);
+        class_.addMember(forwardingConstructor);
       }
     }
 
     // This class implements the mixin type.
     class_.implementedTypes.add(class_.mixedInType);
 
     // This class is now a normal class.
     class_.mixedInType = null;
   }
 
@@ skipping 242 matching lines @@
           return null;
         }
       }
 
       throw new Exception(
           'Could not find a generative constructor named "${constructor.name}" '
           'in lookup class "${lookupClass.name}"!');
     }
   }
 }