dart2js_native tests: Migrate 'native STRING' to JS-calls - part 2/2

tests/compiler/dart2js_native/native_named_constructors2_frog_test.dart

Index: tests/compiler/dart2js_native/native_named_constructors2_frog_test.dart
diff --git a/tests/compiler/dart2js_native/native_named_constructors2_frog_test.dart b/tests/compiler/dart2js_native/native_named_constructors2_frog_test.dart
index 5a02a3b116c396e0d7391da3d20c32f2ab912729..2d8cd5c0b56484726287f14af982c7a6a1f3d1c5 100644
--- a/tests/compiler/dart2js_native/native_named_constructors2_frog_test.dart
+++ b/tests/compiler/dart2js_native/native_named_constructors2_frog_test.dart
@@ -13,7 +13,9 @@ class A {
   factory A.fromString(String s) => _construct(s.length);
 
   // Only functions with zero parameters are allowed with "native r'...'".
-  factory A.nativeConstructor() native r'return makeA(102);';
+  factory A.nativeConstructor() {

[Siggi Cherem (dart-lang), 2017/07/31 21:51:11]

might be worth updating the comment above - from how it is phrased, it appears
as if we should practically delete this part of the test? 

[sra1, 2017/07/31 22:11:30]

Done.

+    return JS('A|Null', 'makeA(102)');
+  }
 
   static A _construct(v) {
     return makeA(v);