Remove classMembers getter.

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;
 
 import '../combinator.dart' show Combinator;
 
@@ skipping 68 matching lines @@
   }
 
   Uri get uri;
 
   bool get isPart => partOfName != null || partOfUri != null;
 
   Map<String, Builder> get members => libraryDeclaration.members;
 
   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;
-  }
-
   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 436 matching lines @@
   }
 
   /// Called to register [procedure] as a factory whose types are collected in
   /// [factoryDeclaration]. Later, once the class has been built, we can
   /// synthesize type variables on the factory matching the class'.
   void addFactoryDeclaration(
       ProcedureBuilder procedure, DeclarationBuilder<T> factoryDeclaration) {
     factoryDeclarations[procedure] = factoryDeclaration;
   }
 }