Eliminate InterfaceRegistry

media/mojo/services/media_interface_provider.cc

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/mojo/services/media_interface_provider.h"
+
+#include "services/service_manager/public/cpp/identity.h"
+
+namespace media {
+
+MediaInterfaceProvider::MediaInterfaceProvider(
+    service_manager::mojom::InterfaceProviderRequest request)
+    : binding_(this, std::move(request)) {}
+
+MediaInterfaceProvider::~MediaInterfaceProvider() = default;
+
+void MediaInterfaceProvider::GetInterface(
+    const std::string& interface_name,
+    mojo::ScopedMessagePipeHandle handle) {
+  registry_.BindInterface(service_manager::Identity(), interface_name,
+                          std::move(handle));
+}
+
+}  // namespace media