DDC fix for foreign futures

pkg/dev_compiler/test/codegen_expected/async_helper.js

Index: pkg/dev_compiler/test/codegen_expected/async_helper.js
diff --git a/pkg/dev_compiler/test/codegen_expected/async_helper.js b/pkg/dev_compiler/test/codegen_expected/async_helper.js
index d7d704544b8fe99db06e5954f3f2767360391705..e6e4456ac604b35e9b31e5ae75e18a6e3b551ce4 100644
--- a/pkg/dev_compiler/test/codegen_expected/async_helper.js
+++ b/pkg/dev_compiler/test/codegen_expected/async_helper.js
@@ -82,7 +82,9 @@ define(['dart_sdk'], function(dart_sdk) {
     dart.dsend(f(), 'then', async_helper.asyncSuccess);
   };
   dart.fn(async_helper.asyncTest, FnTovoid());
-  dart.trackLibraries("async_helper", {"async_helper.dart": async_helper}, null);
+  dart.trackLibraries("async_helper", {
+    "async_helper.dart": async_helper
+  }, null);
   // Exports:
   return {
     async_helper: async_helper