Remove Compiler.commonElements

tests/compiler/dart2js/simple_inferrer_final_field2_test.dart

Index: tests/compiler/dart2js/simple_inferrer_final_field2_test.dart
diff --git a/tests/compiler/dart2js/simple_inferrer_final_field2_test.dart b/tests/compiler/dart2js/simple_inferrer_final_field2_test.dart
index 04dd4a308c2c9401c1591f3ef75cb04af11fe996..6967d560e33d7f288ba680ca221acb389df61170 100644
--- a/tests/compiler/dart2js/simple_inferrer_final_field2_test.dart
+++ b/tests/compiler/dart2js/simple_inferrer_final_field2_test.dart
@@ -37,9 +37,9 @@ void main() {
               typesInferrer.getTypeOfElement(element).containsOnly(type));
         }
 
-        checkFieldTypeInClass(
-            'A', 'intField', compiler.commonElements.jsUInt31Class);
-        checkFieldTypeInClass(
-            'A', 'stringField', compiler.commonElements.jsStringClass);
+        checkFieldTypeInClass('A', 'intField',
+            typesInferrer.closedWorld.commonElements.jsUInt31Class);
+        checkFieldTypeInClass('A', 'stringField',
+            typesInferrer.closedWorld.commonElements.jsStringClass);
       }));
 }