Add CoreClasses

pkg/compiler/lib/src/js_emitter/interceptor_stub_generator.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.
 
 part of dart2js.js_emitter;
 
 class InterceptorStubGenerator {
   final Compiler compiler;
   final Namer namer;
   final JavaScriptBackend backend;
@@ skipping 130 matching lines @@
     if (hasNative) {
       statements.add(js.statement(r'''{
           if (typeof receiver != "object") {
               if (typeof receiver == "function" ) return #;
               return receiver;
           }
           if (receiver instanceof #) return receiver;
           return #(receiver);
       }''', [
           interceptorFor(backend.jsJavaScriptFunctionClass),
-          backend.emitter.constructorAccess(compiler.objectClass),
+          backend.emitter.constructorAccess(compiler.coreClasses.objectClass),
           backend.emitter
               .staticFunctionAccess(backend.getNativeInterceptorMethod)]));
 
     } else {
       ClassElement jsUnknown = backend.jsUnknownJavaScriptObjectClass;
       if (compiler.codegenWorld
               .directlyInstantiatedClasses.contains(jsUnknown)) {
         statements.add(
             js.statement('if (!(receiver instanceof #)) return #;',
-                [backend.emitter.constructorAccess(compiler.objectClass),
+                [backend.emitter.constructorAccess(
+                     compiler.coreClasses.objectClass),
                  interceptorFor(jsUnknown)]));
       }
 
       statements.add(js.statement('return receiver'));
     }
 
     return js('''function(receiver) { #; }''', new jsAst.Block(statements));
   }
 
   // Returns a statement that takes care of performance critical
@@ skipping 195 matching lines @@
 
           var map = new jsAst.ObjectInitializer(properties);
           elements.add(map);
         }
       }
     }
 
     return new jsAst.ArrayInitializer(elements);
   }
 }