Mojom frontend: Allow non-reference types in non-zero versions of a struct.

mojo/dart/packages/_mojo_for_test_only/lib/test/pingpong_service.mojom.dart

Index: mojo/dart/packages/_mojo_for_test_only/lib/test/pingpong_service.mojom.dart
diff --git a/mojo/dart/packages/_mojo_for_test_only/lib/test/pingpong_service.mojom.dart b/mojo/dart/packages/_mojo_for_test_only/lib/test/pingpong_service.mojom.dart
index ec023ff7fdfd3f1fd81f0376c94a2f71f25b1a67..e05112751c8d38d5775a1742480ffc2cdcd837c5 100644
--- a/mojo/dart/packages/_mojo_for_test_only/lib/test/pingpong_service.mojom.dart
+++ b/mojo/dart/packages/_mojo_for_test_only/lib/test/pingpong_service.mojom.dart
@@ -1231,7 +1231,7 @@ mojom_types.RuntimeTypeInfo  _initRuntimeTypeInfo() {
   // serializedRuntimeTypeInfo contains the bytes of the Mojo serialization of
   // a mojom_types.RuntimeTypeInfo struct describing the Mojom types in this
   // file. The string contains the base64 encoding of the gzip-compressed bytes.
-  var serializedRuntimeTypeInfo = "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";
+  var serializedRuntimeTypeInfo = "H4sIAAAJbogC/+xZzU4UTxDvmeVj//BfPhR0BQRUNHuRIdED4bSJEk00ZlWMctpslhZG2ZlxPohHjzwCj+Aj8Bg+BkeP3rSbqYamp9sZNvO1hk6Kpmehp6q66verrq2jcEzB/B1m8fk6t9aIVGF9m8gsER97/sZGy7R2W7a1+xa7B2YXS/5e3HcN5vuw19Z2a7P9YnN7g264Gt1PtY/DPdcl+68QWVDu/2TfxJZ/GT0a3Hsqgj50fTQUrpcFfc+GFk7PUXT8JoPp3eSe0bmF5OMGkQn6uWDRPHl2Hc5HYm7Ej4tExoi0ibwnYuzZPWy4wY7dMy3sGj37k214bjf8Zafj+kbHcejunkF/tsnKM0zLx+7HThd7hkPe6ZB3tr3Qd6v0H3uR97L1/+eukcZbA13064nCH3F+RYJfG4p9qD70KKnbZP5agjjI2l9iHDG7q3p/9q4p7J0Bm6m9D138JSA6yuxmI2u7xfNvSvAIcZ/HjaR+QgJ+iOMa5Mmpyged/QDLcWkJ8jJvP9UFqJlCcjxyINkOBTxqCv45EviBxdGxwj+iPssS3B7lnlOMGicCCPuq08OJ+OUmkUkO99gnCxDLCviOnFM1J9yLs0fUi8e7Ee48deAZik3DkA8jXLz+qIBdo+F8XIPnM+H8rS7H058p4akqb6aJ/Hd6zj7HQlG7xwrCVWb/Xp+4uq6w+xbYfmY3D64lx1caX78ywlcV705APHchSGTxMZ9jfCDh/csxdVfSejMpbsfVPVpWdY8pr3tq/2rdY17VPYnqHvPvdU+tZHWPiuc+wD1NT5nnZsEHNJ62Ou4u9t+9eSnx03TBPLdWSZfnWH1zwW4uoYrKJ7Ev0NDUeaUVwHfjUM8F7r40n6ah1s0jn/hxWdyp9ukfLcY/NahDunZg+Qr/3CsYb3Rurcq3asp15SLUIGK+eUR3D5efv1DOecbuFfZnpMyzRyXmLYZLx8BbFZTNPeU8nrhLs8RfswXxF/PDYZ/81VTYfwd8ELG/JPc1kce+auW6t01CXwe0lsbLSgnubaq+UdL+/6DwIvX34xLzIovPKT3dPL5LZE6Rx4wbB+F+VzZ+pPH0dAD4kY2hlPlxDu7Az7Av6Soj6fdaRfKjk1FeRe2/SJBX/czL8SJdP8gxTvSMeDGtfuZwRv3M14Ep7evNF9zPPEHZ9DOpvWXoZ1YV3wvWFfr/CQAA//9KRkekmCIAAA==";
 
   // Deserialize RuntimeTypeInfo
   var bytes = BASE64.decode(serializedRuntimeTypeInfo);