Change signature of resolveConstructors.

pkg/front_end/lib/src/fasta/kernel/kernel_class_builder.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 fasta.kernel_class_builder;
 
 import 'package:kernel/ast.dart'
     show
         Class,
         Constructor,
@@ skipping 89 matching lines @@
 
   Supertype buildSupertype(
       LibraryBuilder library, List<KernelTypeBuilder> arguments) {
     if (arguments != null) {
       return new Supertype(cls, buildTypeArguments(library, arguments));
     } else {
       return cls.asRawSupertype;
     }
   }
 
-  int resolveConstructors(KernelLibraryBuilder library) {
+  @override
+  int resolveConstructors(LibraryBuilder library) {
     int count = super.resolveConstructors(library);
     if (count != 0) {
       // Copy keys to avoid concurrent modification error.
       List<String> names = members.keys.toList();
       for (String name in names) {
         Builder builder = members[name];
         if (builder is KernelProcedureBuilder && builder.isFactory) {
           // Compute the immediate redirection target, not the effective.
           ConstructorReferenceBuilder redirectionTarget =
               builder.redirectionTarget;
@@ skipping 34 matching lines @@
     //
     // Where each c1 ... cn are an instance of [StaticGet] whose target is
     // [constructor.target].
     //
     // TODO(ahe): Generate the correct factory body instead.
     DillMemberBuilder constructorsField =
         members.putIfAbsent("_redirecting#", () {
       ListLiteral literal = new ListLiteral(<Expression>[]);
       Name name = new Name("_redirecting#", library.library);
       Field field = new Field(name,
-          isStatic: true,
-          initializer: literal,
-          fileUri: cls.fileUri)..fileOffset = cls.fileOffset;
+          isStatic: true, initializer: literal, fileUri: cls.fileUri)
+        ..fileOffset = cls.fileOffset;
       cls.addMember(field);
       return new DillMemberBuilder(field, this);
     });
     Field field = constructorsField.target;
     ListLiteral literal = field.initializer;
     literal.expressions
         .add(new StaticGet(constructor.target)..parent = literal);
   }
 
   void checkOverrides(ClassHierarchy hierarchy) {
@@ skipping 84 matching lines @@
               "The method '$name::${declaredMember.name.name}' doesn't have "
               "the named parameter '${interfaceNamedParameters.current.name}' "
               "of overriden method '${interfaceMember.enclosingClass.name}::"
               "${interfaceMember.name.name}'.");
           break outer;
         }
       }
     }
   }
 }