Tighten types in test.dart even more.

tools/testing/dart/html_test.dart

Index: tools/testing/dart/html_test.dart
diff --git a/tools/testing/dart/html_test.dart b/tools/testing/dart/html_test.dart
index dfa555ffb03449c70e808337c26a7a7ba58a1c1f..eb3f9427a4125a20fb1c458a8f5fb8ea49de2a9f 100644
--- a/tools/testing/dart/html_test.dart
+++ b/tools/testing/dart/html_test.dart
@@ -38,8 +38,10 @@ HtmlTestInformation getInformation(String filename) {
         " Should have {'scripts':[...], 'expectedMessages':[...]}");
     return null;
   }
-  return new HtmlTestInformation(new Path(filename),
-      annotation['expectedMessages'], annotation['scripts']);
+  return new HtmlTestInformation(
+      new Path(filename),
+      annotation['expectedMessages'] as List<String>,

[Siggi Cherem (dart-lang), 2017/05/30 20:48:39]

It seems this could fail in strong mode: the underlying json List is probably
List<dynamic> and not List<String>, correct?

[Bob Nystrom, 2017/05/30 21:01:46]

Ah, yes. Good catch. Fixed.

+      annotation['scripts'] as List<String>);
 }
 
 String getContents(HtmlTestInformation info, bool compileToJS) {