Add CoreClasses

pkg/compiler/lib/src/js_backend/codegen/glue.dart

 // Copyright (c) 2014, 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 code_generator_dependencies;
 
 import '../js_backend.dart';
 
 import '../../common.dart';
 import '../../common/registry.dart' show
@@ skipping 71 matching lines @@
   }
 
   bool isLazilyInitialized(FieldElement element) {
     return _backend.constants.lazyStatics.contains(element);
   }
 
   String safeVariableName(String name) {
     return _namer.safeVariableName(name);
   }
 
-  ClassElement get listClass => _compiler.listClass;
+  ClassElement get listClass => _compiler.coreClasses.listClass;
 
   ConstructorElement get mapLiteralConstructor {
     return _backend.mapLiteralConstructor;
   }
 
   ConstructorElement get mapLiteralConstructorEmpty {
     return _backend.mapLiteralConstructorEmpty;
   }
 
   FunctionElement get identicalFunction => _compiler.identicalFunction;
@@ skipping 166 matching lines @@
   }
 
   ClassElement get jsFixedArrayClass => _backend.jsFixedArrayClass;
   ClassElement get jsExtendableArrayClass => _backend.jsExtendableArrayClass;
   ClassElement get jsUnmodifiableArrayClass =>
       _backend.jsUnmodifiableArrayClass;
   ClassElement get jsMutableArrayClass => _backend.jsMutableArrayClass;
 
   bool isStringClass(ClassElement classElement) =>
       classElement == _backend.jsStringClass ||
-      classElement == _compiler.stringClass;
+      classElement == _compiler.coreClasses.stringClass;
 
   bool isBoolClass(ClassElement classElement) =>
       classElement == _backend.jsBoolClass ||
-      classElement == _compiler.boolClass;
+      classElement == _compiler.coreClasses.boolClass;
 
   // TODO(sra): Should this be part of CodegenRegistry?
   void registerNativeBehavior(NativeBehavior nativeBehavior, node) {
     if (nativeBehavior == null) return;
     _enqueuer.nativeEnqueuer.registerNativeBehavior(nativeBehavior, node);
   }
 
   ConstantValue getDefaultParameterValue(ParameterElement elem) {
     return _backend.constants.getConstantValueForVariable(elem);
   }
 }