Dart: Futures -> Callbacks.

mojo/dart/packages/mojo_services/lib/http_server/http_request.mojom.dart

 // WARNING: DO NOT EDIT. This file was generated by a program.
 // See $MOJO_SDK/tools/bindings/mojom_bindings_generator.py.
 
 library http_request_mojom;
 import 'package:mojo/bindings.dart' as bindings;
 import 'package:mojo/core.dart' as core;
 
 
 
 
 class HttpRequest extends bindings.Struct {
   static const List<bindings.StructDataHeader> kVersions = const [
     const bindings.StructDataHeader(40, 0)
   ];
   String relativeUrl = null;
   String method = "GET";
   Map<String, String> headers = null;
   core.MojoDataPipeConsumer body = null;
 
   HttpRequest() : super(kVersions.last.size);
 
+  HttpRequest.init(
+    String this.relativeUrl, 
+    String this.method, 
+    Map<String, String> this.headers, 
+    core.MojoDataPipeConsumer this.body
+  ) : super(kVersions.last.size);
+
   static HttpRequest deserialize(bindings.Message message) {
     var decoder = new bindings.Decoder(message);
     var result = decode(decoder);
     if (decoder.excessHandles != null) {
       decoder.excessHandles.forEach((h) => h.close());
     }
     return result;
   }
 
   static HttpRequest decode(bindings.Decoder decoder0) {
@@ skipping 133 matching lines @@
   }
 
   Map toJson() {
     throw new bindings.MojoCodecError(
         'Object containing handles cannot be encoded to JSON.');
   }
 }