Make use of CreateInterfacePtrAndBind() where appropriate

media/mojo/services/mojo_renderer_impl.cc

Index: media/mojo/services/mojo_renderer_impl.cc
diff --git a/media/mojo/services/mojo_renderer_impl.cc b/media/mojo/services/mojo_renderer_impl.cc
index 76f3e8158a85d409515c1441a7336eb6b8d38ef2..f3698e6ad3888fef98a5cf294e72dfb8bdbff4fc 100644
--- a/media/mojo/services/mojo_renderer_impl.cc
+++ b/media/mojo/services/mojo_renderer_impl.cc
@@ -68,10 +68,9 @@ void MojoRendererImpl::Initialize(
   if (video)
     new MojoDemuxerStreamImpl(video, GetProxy(&video_stream));
 
-  interfaces::RendererClientPtr client_ptr;
-  binding_.Bind(GetProxy(&client_ptr));
   remote_renderer_->Initialize(
-      std::move(client_ptr), std::move(audio_stream), std::move(video_stream),
+      binding_.CreateInterfacePtrAndBind(), std::move(audio_stream),
+      std::move(video_stream),
       BindToCurrentLoop(base::Bind(&MojoRendererImpl::OnInitialized,
                                    weak_factory_.GetWeakPtr())));
 }