Convert UtilityThread/Clients to add ConnectionFilters instead of using ChildThread's InterfaceRegi…

content/public/common/simple_connection_filter.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 CONTENT_PUBLIC_COMMON_SIMPLE_CONNECTION_FILTER_H_
+#define CONTENT_PUBLIC_COMMON_SIMPLE_CONNECTION_FILTER_H_
+
+#include <memory>
+#include <string>
+
+#include "content/common/content_export.h"
+#include "content/public/common/connection_filter.h"
+
+namespace service_manager {
+class BinderRegistry;
+}
+
+namespace content {
+
+class CONTENT_EXPORT SimpleConnectionFilter : public ConnectionFilter {
+ public:
+  explicit SimpleConnectionFilter(
+      std::unique_ptr<service_manager::BinderRegistry> registry);
+  ~SimpleConnectionFilter() override;
+
+  // ConnectionFilter:
+  void OnBindInterface(const service_manager::ServiceInfo& source_info,
+                       const std::string& interface_name,
+                       mojo::ScopedMessagePipeHandle* interface_pipe,
+                       service_manager::Connector* connector) override;
+
+ private:
+  std::unique_ptr<service_manager::BinderRegistry> registry_;
+
+  DISALLOW_COPY_AND_ASSIGN(SimpleConnectionFilter);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_COMMON_SIMPLE_CONNECTION_FILTER_H_