Support use of dill in TypeEnv tests

tests/compiler/dart2js/equivalence/id_equivalence_helper.dart

Index: tests/compiler/dart2js/equivalence/id_equivalence_helper.dart
diff --git a/tests/compiler/dart2js/equivalence/id_equivalence_helper.dart b/tests/compiler/dart2js/equivalence/id_equivalence_helper.dart
index 81de9b38b7ebf97de87c33d1ba05e930a137e674..65ca59fed02aeec2b4298c5a88f7d197e67b729b 100644
--- a/tests/compiler/dart2js/equivalence/id_equivalence_helper.dart
+++ b/tests/compiler/dart2js/equivalence/id_equivalence_helper.dart
@@ -44,12 +44,12 @@ Future<Compiler> compileFromSource(
 Future<Compiler> compileFromDill(
     AnnotatedCode code, Uri mainUri, List<String> options) async {
   Compiler compiler = await compileWithDill(
-      mainUri,
-      {'main.dart': code.sourceCode},
-      [Flags.disableTypeInference]..addAll(options),
+      entryPoint: mainUri,
+      memorySourceFiles: {'main.dart': code.sourceCode},
+      options: [Flags.disableTypeInference]..addAll(options),
       beforeRun: (Compiler compiler) {
-    compiler.stopAfterTypeInference = true;
-  });
+        compiler.stopAfterTypeInference = true;
+      });
   return compiler;
 }