Dart: Adds optional named arguments for creating bindings.

mojo/public/tools/bindings/generators/mojom_dart_generator.py

Index: mojo/public/tools/bindings/generators/mojom_dart_generator.py
diff --git a/mojo/public/tools/bindings/generators/mojom_dart_generator.py b/mojo/public/tools/bindings/generators/mojom_dart_generator.py
index 2b562f2cae3945a5741be7c985b5b33535b3ce74..766ff213d37ac7b614165f1d7804c6e15010cbcd 100644
--- a/mojo/public/tools/bindings/generators/mojom_dart_generator.py
+++ b/mojo/public/tools/bindings/generators/mojom_dart_generator.py
@@ -247,9 +247,9 @@ def AppendDecodeParams(initial_params, kind, bit):
   if mojom.IsArrayKind(kind) and mojom.IsInterfaceKind(kind.kind):
     params.append('%sProxy.newFromEndpoint' % GetDartType(kind.kind))
   if mojom.IsInterfaceRequestKind(kind):
-    params.append('%sStub.newFromEndpoint' % GetDartType(kind.kind))
+    params.append('%sBinding.newFromEndpoint' % GetDartType(kind.kind))
   if mojom.IsArrayKind(kind) and mojom.IsInterfaceRequestKind(kind.kind):
-    params.append('%sStub.newFromEndpoint' % GetDartType(kind.kind.kind))
+    params.append('%sBinding.newFromEndpoint' % GetDartType(kind.kind.kind))
   if mojom.IsArrayKind(kind):
     params.append(GetArrayExpectedLength(kind))
   return params