Add CoreClasses

pkg/compiler/lib/src/resolution/class_members.dart

 // Copyright (c) 2012, 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 dart2js.resolution.compute_members;
 
 import '../common.dart';
 import '../common/names.dart' show
     Identifiers;
 import '../common/resolution.dart' show
@@ skipping 296 matching lines @@
     }
     // TODO(johnniwinther): If [cls] is not abstract, check that for all
     // interface members, there is a class member whose type is a subtype of
     // the interface member.
   }
 
   /// Checks that [cls], if it implements Function, has defined call().
   void checkImplementsFunctionWithCall() {
     assert(!cls.isAbstract);
 
-    if (cls.asInstanceOf(compiler.functionClass) == null) return;
+    ClassElement functionClass = compiler.coreClasses.functionClass;
+    if (cls.asInstanceOf(functionClass) == null) return;
     if (cls.lookupMember(Identifiers.call) != null) return;
     // TODO(johnniwinther): Make separate methods for backend exceptions.
     // Avoid warnings on backend implementation classes for closures.
     if (compiler.backend.isBackendLibrary(cls.library)) return;
 
-    reportMessage(compiler.functionClass, MessageKind.UNIMPLEMENTED_METHOD, () {
+    reportMessage(functionClass, MessageKind.UNIMPLEMENTED_METHOD, () {
       reporter.reportWarningMessage(
           cls,
           MessageKind.UNIMPLEMENTED_METHOD_ONE,
           {'class': cls.name,
            'name': Identifiers.call,
            'method': Identifiers.call,
-           'declarer': compiler.functionClass.name});
+           'declarer': functionClass.name});
     });
   }
 
   /// Checks that a class member exists for every interface member.
   void checkInterfaceImplementation();
 
   /// Check that [declared] is a valid override of [superMember].
   void checkValidOverride(Member declared, MemberSignature superMember) {
     if (superMember == null) {
       // No override.
@@ skipping 606 matching lines @@
         message: "Members have not been fully computed for $this."));
     if (interfaceMembersAreClassMembers) {
       classMembers.forEach((_, member) {
         if (!member.isStatic) f(member);
       });
     } else {
       interfaceMembers.forEach((_, member) => f(member));
     }
   }
 }