Move some basic early process init into Service Manager

content/app/content_service_manager_main_delegate.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_APP_CONTENT_SERVICE_MANAGER_MAIN_DELEGATE_H_
+#define CONTENT_APP_CONTENT_SERVICE_MANAGER_MAIN_DELEGATE_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "build/build_config.h"
+#include "content/common/content_export.h"
+#include "content/public/app/content_main.h"
+#include "services/service_manager/embedder/main_delegate.h"
+
+namespace content {
+
+class ContentMainRunner;
+
+class CONTENT_EXPORT ContentServiceManagerMainDelegate
+    : public service_manager::MainDelegate {
+ public:
+  ContentServiceManagerMainDelegate(const ContentMainParams& params);
+  ~ContentServiceManagerMainDelegate() override;
+
+  // service_manager::MainDelegate:
+  int Initialize(const InitializeParams& params) override;
+  int Run() override;
+  void ShutDown() override;
+
+ private:
+  ContentMainParams content_main_params_;
+  std::unique_ptr<ContentMainRunner> content_main_runner_;
+
+#if defined(OS_ANDROID)
+  bool initialized_ = false;
+#endif
+
+  DISALLOW_COPY_AND_ASSIGN(ContentServiceManagerMainDelegate);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_APP_CONTENT_SERVICE_MANAGER_MAIN_DELEGATE_H_