Eliminate InterfaceRegistry

ios/web/public/web_state/web_state_interface_provider.h

+// 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.
+
+#ifndef IOS_WEB_WEB_STATE_WEB_STATE_INTERFACE_PROVIDER_H_
+#define IOS_WEB_WEB_STATE_WEB_STATE_INTERFACE_PROVIDER_H_
+
+#include "base/macros.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "services/service_manager/public/cpp/binder_registry.h"
+#include "services/service_manager/public/interfaces/interface_provider.mojom.h"
+
+namespace web {
+
+class WebStateInterfaceProvider
+    : public service_manager::mojom::InterfaceProvider {
+ public:
+  WebStateInterfaceProvider();
+  ~WebStateInterfaceProvider() override;
+
+  void Bind(service_manager::mojom::InterfaceProviderRequest request);
+
+  service_manager::BinderRegistry* registry() { return &registry_; }
+
+ private:
+  // service_manager::mojom::InterfaceProvider:
+  void GetInterface(const std::string& interface_name,
+                    mojo::ScopedMessagePipeHandle handle) override;
+
+  service_manager::BinderRegistry registry_;
+
+  mojo::Binding<service_manager::mojom::InterfaceProvider> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebStateInterfaceProvider);
+};
+
+}  // namespace web
+
+#endif  // IOS_WEB_WEB_STATE_WEB_STATE_INTERFACE_PROVIDER_H_