Dart: Futures -> Callbacks.

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

Index: mojo/dart/packages/_mojo_for_test_only/lib/mojo/test/rect.mojom.dart
diff --git a/mojo/dart/packages/_mojo_for_test_only/lib/mojo/test/rect.mojom.dart b/mojo/dart/packages/_mojo_for_test_only/lib/mojo/test/rect.mojom.dart
index d432bee8e627a0969e4c4b6a979d27c835d2f9c3..b3d8a5e16f9dd241a6eba2cf8519226ec652d270 100644
--- a/mojo/dart/packages/_mojo_for_test_only/lib/mojo/test/rect.mojom.dart
+++ b/mojo/dart/packages/_mojo_for_test_only/lib/mojo/test/rect.mojom.dart
@@ -24,6 +24,13 @@ class Rect extends bindings.Struct {
 
   Rect() : super(kVersions.last.size);
 
+  Rect.init(
+    int this.x, 
+    int this.y, 
+    int this.width, 
+    int this.height
+  ) : super(kVersions.last.size);
+
   static Rect deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
@@ -139,7 +146,7 @@ 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 = "H4sIAAAJbogC/5JggAABKG0ApdHFYTQHGo2uzgKJz4ikTh6IxYE4JDLANd7bNdIqNz8rX68ktbhELyg1uQRsDiMWfQpo9nyAuZMVQjswoAIDNHf8hwJ0dTDAA8QsQAx2BBCIATEfEKM5D8OfIPexA3EMyE9ArF9aXKSfk5+cmKOfnp+fnpOqn5Gfm6pfVZSoDzJKv7goGcIoKE3KyUzWz8wrSS1KS0xOLdZPysxLycxLL9YHWVesXwS0Tw+kNBdkjwbUfbBwUGCE0kxQmhk1HCzQ3MnKQBzAFY4MSOEIcw82wAmNtwoc6YITGma0Di9Sw4GFjHBgJCIcKnGEA9cgDQcOMsKBCU848ELtKs9MKcnAEg7cgzQceMgIB2Y84QAqS9iAOCM1Mz0DSznCQ6dwQC9XJdDyAIwPCAAA//9Y6fq5EAYAAA==";
+  var serializedRuntimeTypeInfo = "H4sIAAAJbogC/5JggAABKG0ApdHFYTQHGo2uzgKJz4ikTh6IxYE4JDLANd7bNdIqNz8rX68ktbhELyg1uQRsDiMWfQpo9nyAuZMVQjswoAIDNHf8hwJ0dTDAA8QsQAx2BBCIATEfEKM5D8OfIPexA3EsEIcCsX5pcZF+Tn5yYo5+en5+ek6qfkZ+bqp+VVGiPsgoI/3iomQwS7+gNCknM1k/M68ktSgtMTm1WD8pMy8lMy+9WB9kX7F+EdBCPZDSXKC5GlD3wcJBgRFKM0FpZtRwsEBzJysDcQBXODIghSMD1D3YACc03ipwpAtOaJjROrxIDQcWMsKBkYhwqMQRDlyDNBw4yAgHJjzhwAu1qzwzpSQDSzhwD9Jw4CEjHJjxhAOoLGED4ozUzPQMLOUID53CAb1clUDLAzA+IAAA//9N6JF1EAYAAA==";
 
   // Deserialize RuntimeTypeInfo
   var bytes = BASE64.decode(serializedRuntimeTypeInfo);