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

mojo/dart/packages/_mojo_for_test_only/lib/dart_to_cpp/dart_to_cpp.mojom.dart

Index: mojo/dart/packages/_mojo_for_test_only/lib/dart_to_cpp/dart_to_cpp.mojom.dart
diff --git a/mojo/dart/packages/_mojo_for_test_only/lib/dart_to_cpp/dart_to_cpp.mojom.dart b/mojo/dart/packages/_mojo_for_test_only/lib/dart_to_cpp/dart_to_cpp.mojom.dart
index 6ecc46603af86d4c8efb399235574c1ea1659d54..3a38a555585e20509f2bd55b188c0cbbea870416 100644
--- a/mojo/dart/packages/_mojo_for_test_only/lib/dart_to_cpp/dart_to_cpp.mojom.dart
+++ b/mojo/dart/packages/_mojo_for_test_only/lib/dart_to_cpp/dart_to_cpp.mojom.dart
@@ -1331,7 +1331,7 @@ 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/9yaz2/bNhTHLcVObMdOnMTNvK3rPKDFuh+N+wuFsVOGLkOHFYOxFsV6ctSItTVYkifJQ3frn+BjjjvuuOOO+xN23NG79dhLgd06cn5yWJqUZAI03RB4oGUTFt9HXz4+kmrkpqUG9XWo2e/jusjUbLu/ob6KLY+tCdeHUB9D/Rzqy9guYnv4uHPU/fbo8Re2FUTdyO+eDIcHd4fDB46NSLsr2D4QtfsKf4aGie2OTvr+l0EvxL9/gu2jtHb3nTCCft4Df4ifa9jalN/k+vnm2bWB7eX+m9eTz6bXTYZbXF5S92HLa1zi59KmvhO1J2Ub2wa2GOH7+PMeNgHeuedIOJaxPcL2HbZW33dRKxjZvut4KGi5/o9+KwxOph/Iv7ZGnhNFKIzCFnKfINtGQZdc4sb0TUl7d/5+NBfCuf3ofuH15FUh98+rgoGN1VPbnNad/LTur5/pjv6/FwwX8r8ibuS36xz29Lhgyw62ErYHEfbxIZrphfXvY2ymQp6srl4wdZquWH/bAn/fBZ9n/l4L0E8jsd9xUeV3MffmOCsKxlcul00f/2tOxAv/tqg+6tgqJM5gD752PCfsI5vH6dNzoo+L4DPtLy2Rt10fJB7J8ErTR8fxet+jcOh7IeJxunbO9EH7e570YSjSB0lJkvRxoEkfx6YafdD+6tQHq4tDJg8jvxeo/C2tZOXE6o0tFciHBg6fywGwVK2HnCCPo3VLp9KL5t1J49IQ5I8q8+oa9CVecsR6FSxH5p7LDU15dR3WKTE3k/p9jernKTT6tZBxPpScH1LzaRTdHTjIE+WVNzXFu46pKJ+O/dWcT69qvIvXsyewZuXpoa4h3jUE6+2s+xpZ4xs7Dids3iE5DtPmF5Kn8XR4a8njb8LUKvLvtzkPZfVgKtIDmaJ5fG5r0sPxmho9ED916qEBPGdxxhDH4xzEZBXxWPT9BWxVbN7I/Qa7YEUOztQFuqgq5LTo/FSU5GGkzE+bkEdZQS8nGh9XNM5Pcd4ap9hZ98mT4pFJXbPj81+o/6yryb/jLvLyb6r7c8+hBPO0qudwiv9zF9sY7jcG4YwhII8hXo1h33oMA3cM+9fjDagB+GkJ8vHytP4Nzhl+r0zrP6rAeWta/7UNOt+B57KbHDfWNa1bQ+fObd7zKcPzXWa8SIqfquLFGYdbN3kcNjVxyCf0V4aDmZnDjTs8DhVNHNYE/d2S5LCWcf4InTZ3/qhq4lBOiMMyHPIZ9TASxIctiOHL5lAS9LchyaGQmQM/Pmxr4lBM2LeV4bCemQM/PtQ0cdhI2KeQ4bCRMT6MBPFhRxMHU9DfpiSHYsq6I/bz6cC3ou7P1kCwT7arKV6KeFyW5FFaiIfjPRXw2FsxHlcleZQX4uFZnoBHXRMPI+M6OyuPzRQeu8DM9kdPBuhswLA8LmiKHyIebUkelcV4zAYMy2N/xXgcSvKoLsZjNmBYHu9o4GEk7OPck+SxlTHf8CyXe37XUHx+x+qAx8Wk9lfY0pHksp2ik3hfNIwCx+t1rSCwfuHxic+zVO9zGeAHuz9VE4wbml8+gd/nkvxqKfz2QXsuCkOrh7p9y7MHaJ7fe8B0GfoyJPj8IMlnJ4XPHsxlthVZMzgcfZH3WC8tiY+Zsv9JYmdf9P4BDOBJxvOJQ2b/s5PhfIJ+VaIJ9xa9TsFyvKR4H5Q9v3hmrOb7Mx56xj3f+RA+LyOOqXx/ZlXOR2LeToRcHu8mtFk272Wdj/wXAAD//+HD4J5oMQAA";
 
   // Deserialize RuntimeTypeInfo
   var bytes = BASE64.decode(serializedRuntimeTypeInfo);