Remove Compiler.commonElements

pkg/compiler/lib/src/inferrer/list_tracer.dart

Index: pkg/compiler/lib/src/inferrer/list_tracer.dart
diff --git a/pkg/compiler/lib/src/inferrer/list_tracer.dart b/pkg/compiler/lib/src/inferrer/list_tracer.dart
index 30631310d3a50f2e47aff7824563c0b8d0759281..8de3a84cac7991d5166de76d6f53720f7bb9b853 100644
--- a/pkg/compiler/lib/src/inferrer/list_tracer.dart
+++ b/pkg/compiler/lib/src/inferrer/list_tracer.dart
@@ -165,7 +165,8 @@ class ListTracerVisitor extends TracerVisitor {
   visitStaticCallSiteTypeInformation(StaticCallSiteTypeInformation info) {
     super.visitStaticCallSiteTypeInformation(info);
     Element called = info.calledElement;
-    if (compiler.backend.isForeign(compiler.commonElements, called) &&
+    if (compiler.backend
+            .isForeign(inferrer.closedWorld.commonElements, called) &&
         called.name == JavaScriptBackend.JS) {
       bailout('Used in JS ${info.call}');
     }