dart2js: fix getter name in new emitter.

pkg/compiler/lib/src/js_emitter/new_emitter/model_emitter.dart

Index: pkg/compiler/lib/src/js_emitter/new_emitter/model_emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/new_emitter/model_emitter.dart b/pkg/compiler/lib/src/js_emitter/new_emitter/model_emitter.dart
index 2046856980b06b1a5441e84930dc1147d76f1804..30d81ed1bd78fa86541919b585709b48c649539f 100644
--- a/pkg/compiler/lib/src/js_emitter/new_emitter/model_emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/new_emitter/model_emitter.dart
@@ -413,7 +413,7 @@ class ModelEmitter {
 
     js.Expression fieldName = js.string(field.name);
     js.Expression code = js.js(getterTemplateFor(field.getterFlags), fieldName);
-    String getterName = "${namer.getterPrefix}${field.name}";
+    String getterName = "${namer.getterPrefix}${field.accessorName}";
     return new StubMethod(getterName, code);
   }