All strong mode cleaning of dart2js.

tests/compiler/dart2js/embedded_category_api_boundary_test.dart

Index: tests/compiler/dart2js/embedded_category_api_boundary_test.dart
diff --git a/tests/compiler/dart2js/embedded_category_api_boundary_test.dart b/tests/compiler/dart2js/embedded_category_api_boundary_test.dart
index 80151cd9e68a2749146b6a5b422a4add86dcc66e..8fcf1246a93f2bd974b6dbe91a6138ac022d108e 100644
--- a/tests/compiler/dart2js/embedded_category_api_boundary_test.dart
+++ b/tests/compiler/dart2js/embedded_category_api_boundary_test.dart
@@ -7,7 +7,6 @@
 /// processed.
 library embedded_category_boundary_test;
 
-import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 import 'package:compiler/src/compiler.dart';
 import 'package:compiler/src/elements/elements.dart';
@@ -37,8 +36,8 @@ Set<String> whiteList = new Set.from([
 ]);
 
 bool checkResults(Compiler compiler, CollectingDiagnosticHandler handler) {
-  return compiler.enqueuer.resolution.processedEntities
-      .every((MemberElement element) {
+  return compiler.enqueuer.resolution.processedEntities.every((_element) {
+    MemberElement element = _element;
     if (whiteList.contains("$element")) return true;
     LibraryInfo info = libraries[element.library.canonicalUri.path];
     bool isAllowedInEmbedded =