Revert "Revert "Allow multiple tags in native clause.""

sdk/lib/_internal/compiler/implementation/compiler.dart

Index: sdk/lib/_internal/compiler/implementation/compiler.dart
diff --git a/sdk/lib/_internal/compiler/implementation/compiler.dart b/sdk/lib/_internal/compiler/implementation/compiler.dart
index 1c409a240210a18d446a83a2950ef89ea2c7bafb..536de66b97f5b2d2b4691cb97abf1807d6e9f9ed 100644
--- a/sdk/lib/_internal/compiler/implementation/compiler.dart
+++ b/sdk/lib/_internal/compiler/implementation/compiler.dart
@@ -735,7 +735,7 @@ abstract class Compiler implements DiagnosticListener {
     // TODO(ngeoffray): Enable annotations on these classes.
     ClassElement cls =
         isolateHelperLibrary.find(const SourceString('_WorkerStub'));
-    cls.setNative('"*Worker"');
+    cls.setNative('"Worker"');
 
     assertMethod = jsHelperLibrary.find(const SourceString('assertHelper'));
     identicalFunction = coreLibrary.find(const SourceString('identical'));