New treatment of native methods.

tests/compiler/dart2js/unparser_test.dart

Index: tests/compiler/dart2js/unparser_test.dart
diff --git a/tests/compiler/dart2js/unparser_test.dart b/tests/compiler/dart2js/unparser_test.dart
index 3c37a8512fb7c83e5e4ec431ce90be7e705c0ca4..dab0bc1ded03ffab00caedd7df2ebe75a637ca72 100644
--- a/tests/compiler/dart2js/unparser_test.dart
+++ b/tests/compiler/dart2js/unparser_test.dart
@@ -39,10 +39,17 @@ testIndexedOperatorDecl() {
   testUnparseMember('operator[](int i)=> null;');
 }
 
+testNativeMethods() {
+  testUnparseMember('foo()native;');
+  testUnparseMember('foo()native "bar";');
+  testUnparseMember('foo()native "this.x = 41";');
+}
+
 main() {
   testGenericTypes();
   testForLoop();
   testEmptyList();
   testClosure();
   testIndexedOperatorDecl();
+  testNativeMethods();
 }