Update dart2js unit tests to dart_parser and dart_scanner.

pkg/compiler/lib/src/parser/node_listener.dart

Index: pkg/compiler/lib/src/parser/node_listener.dart
diff --git a/pkg/compiler/lib/src/parser/node_listener.dart b/pkg/compiler/lib/src/parser/node_listener.dart
index 3b790afdff5bb954e906e6563bbacf0d005a45ba..0b4c2e5bbef4edb5a10a46fb4982289e2318edd4 100644
--- a/pkg/compiler/lib/src/parser/node_listener.dart
+++ b/pkg/compiler/lib/src/parser/node_listener.dart
@@ -946,6 +946,14 @@ class NodeListener extends ElementListener {
     reporter.log(message);
   }
 
+  @override
+  void handleInvalidFunctionBody(Token token) {
+    if (!lastErrorWasNativeFunctionBody) {
+      pushNode(null);
+    }
+    lastErrorWasNativeFunctionBody = false;
+  }
+
   void internalError({Token token, Node node}) {
     // TODO(ahe): This should call reporter.internalError.
     Spannable spannable = (token == null) ? node : token;