Files required by a service now listed in manifest.

services/service_manager/public/cpp/shared_file_util.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 SERVICES_SERVICE_MANAGER_PUBLIC_CPP_SHARED_FILE_UTIL_H_
+#define SERVICES_SERVICE_MANAGER_PUBLIC_CPP_SHARED_FILE_UTIL_H_
+
+#include <map>
+#include <string>
+
+#include "base/command_line.h"
+#include "base/optional.h"
+
+namespace service_manager {
+
+class SharedFileSwitchValueBuilder final {
+ public:
+  void AddEntry(const std::string& key_str, int key_id);
+  const std::string& switch_value() const { return switch_value_; }
+
+ private:
+  std::string switch_value_;
+};
+
+base::Optional<std::map<int, std::string>> ParseSharedFileSwitchValue(
+    const std::string& value);
+
+}  // namespace service_manager
+
+#endif  // SERVICES_SERVICE_MANAGER_PUBLIC_CPP_SHARED_FILE_UTIL_H_