Generalize DeclarationBuilder.resolveTypes.

pkg/front_end/lib/src/fasta/source/source_library_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.source_library_builder;
 
 import 'package:kernel/ast.dart' show
     AsyncMarker,
     ProcedureKind;
 
@@ skipping 70 matching lines @@
 
   List<T> get types => libraryDeclaration.types;
 
   /// When parsing a class, this returns a map of its members (that have been
   /// parsed so far).
   Map<String, MemberBuilder> get classMembers {
     assert(currentDeclaration.parent == libraryDeclaration);
     return currentDeclaration.members;
   }
 
-  List<T> get declarationTypes {
-    assert(currentDeclaration.parent == libraryDeclaration);
-    return currentDeclaration.types;
-  }
-
   T addNamedType(String name, List<T> arguments, int charOffset);
 
   T addMixinApplication(T supertype, List<T> mixins, int charOffset);
 
   T addType(T type) {
     currentDeclaration.addType(type);
     return type;
   }
 
   T addVoidType(int charOffset);
@@ skipping 309 matching lines @@
           // parent declaration.
           parent.addType(type);
         } else {
           type.bind(builder);
         }
       }
     }
     types.clear();
   }
 }