Implement topLevelMembers, staticMembers, instanceMembers in the VM.

tests/lib/mirrors/stringify.dart

Index: tests/lib/mirrors/stringify.dart
diff --git a/tests/lib/mirrors/stringify.dart b/tests/lib/mirrors/stringify.dart
index 364bdcff7285af3f53120e857d7e0f69a4ed048b..c848f93464587c6129a0c055ce8bfb8bc2d596ca 100644
--- a/tests/lib/mirrors/stringify.dart
+++ b/tests/lib/mirrors/stringify.dart
@@ -106,6 +106,7 @@ stringifyMethod(MethodMirror method) {
   var buffer = new StringBuffer();
   writeDeclarationOn(method, buffer);
   if (method.isAbstract) buffer.write(', abstract');
+  if (method.isSynthetic) buffer.write(', synthetic');
   if (method.isStatic) buffer.write(', static');
   if (method.isGetter) buffer.write(', getter');
   if (method.isSetter) buffer.write(', setter');