Update dart2js_foreign suite as we now validate annotations.

dart/tests/compiler/dart2js_foreign/native_field_rename_2_test.dart

Index: dart/tests/compiler/dart2js_foreign/native_field_rename_2_test.dart
diff --git a/dart/tests/compiler/dart2js_foreign/native_field_rename_2_test.dart b/dart/tests/compiler/dart2js_foreign/native_field_rename_2_test.dart
index 9499ff6dfde6ca34cf1fde10e85ddd169ab7e40c..34eaacb3a0e83818df6c6e495576e44514ef2117 100644
--- a/dart/tests/compiler/dart2js_foreign/native_field_rename_2_test.dart
+++ b/dart/tests/compiler/dart2js_foreign/native_field_rename_2_test.dart
@@ -6,11 +6,13 @@
 // fields.  However, native fields keep their name.  The implication: a getter
 // for the field must be based on the field's name, not the field's jsname.
 
+import 'native_metadata.dart';
+
 interface I {
   int key;
 }
 
-@native("*A")
+@Native("*A")
 class A implements I  {
   int key;                    //  jsname is 'key'
   int getKey() => key;
@@ -22,18 +24,18 @@ class B implements I {
   int getKey() => key;
 }
 
-@native("*X")
+@Native("*X")
 class X {
-  @native('key') int native_key_method();
+  @Native('key') int native_key_method();
   // This should cause B.key to be renamed, but not A.key.
-  @native('key') int key();
+  @Native('key') int key();
 }
 
 @native A makeA();
 @native X makeX();
 
 
-@native("""
+@Native("""
 // This code is all inside 'setup' and so not accesible from the global scope.
 function A(){ this.key = 111; }
 A.prototype.getKey = function(){return this.key;};