Version 0.8.10.5

dart/sdk/lib/_internal/lib/js_helper.dart

Index: dart/sdk/lib/_internal/lib/js_helper.dart
===================================================================
--- dart/sdk/lib/_internal/lib/js_helper.dart	(revision 29908)
+++ dart/sdk/lib/_internal/lib/js_helper.dart	(working copy)
@@ -1921,6 +1921,11 @@
   throw new TypeErrorImplementation(value, 'void');
 }
 
+checkMalformedType(value, message) {
+  if (value == null) return value;
+  throw new TypeErrorImplementation.fromMessage(message);
+}
+
 /**
  * Special interface recognized by the compiler and implemented by DOM
  * objects that support integer indexing. This interface is not