Revert of Build services as standalone executables

services/service_manager/runner/host/child_process.cc

+// Copyright 2014 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 "services/service_manager/runner/host/child_process.h"
+
+#include <stdint.h>
+
+#include <memory>
+#include <utility>
+
+#include "base/base_switches.h"
+#include "base/bind.h"
+#include "base/callback_helpers.h"
+#include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "base/i18n/icu_util.h"
+#include "base/location.h"
+#include "base/logging.h"
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
+#include "base/synchronization/waitable_event.h"
+#include "base/threading/thread.h"
+#include "base/threading/thread_checker.h"
+#include "base/threading/thread_task_runner_handle.h"
+#include "mojo/edk/embedder/embedder.h"
+#include "mojo/edk/embedder/platform_channel_pair.h"
+#include "mojo/edk/embedder/process_delegate.h"
+#include "mojo/edk/embedder/scoped_platform_handle.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "mojo/public/cpp/system/core.h"
+#include "services/service_manager/runner/common/switches.h"
+#include "services/service_manager/runner/host/child_process_base.h"
+#include "services/service_manager/runner/host/native_library_runner.h"
+#include "services/service_manager/runner/init.h"
+
+namespace service_manager {
+
+namespace {
+
+void RunNativeLibrary(base::NativeLibrary library,
+                      mojom::ServiceRequest service_request) {
+  if (!RunServiceInNativeLibrary(library, std::move(service_request))) {
+    LOG(ERROR) << "Failure to RunServiceInNativeLibrary()";
+  }
+}
+
+}  // namespace
+
+int ChildProcessMain() {
+  DVLOG(2) << "ChildProcessMain()";
+  const base::CommandLine& command_line =
+      *base::CommandLine::ForCurrentProcess();
+
+  base::NativeLibrary library = 0;
+  // Load the application library before we engage the sandbox.
+  base::FilePath library_path =
+      command_line.GetSwitchValuePath(switches::kChildProcess);
+  if (!library_path.empty())
+    library = LoadNativeLibrary(library_path);
+  base::i18n::InitializeICU();
+  if (library)
+    CallLibraryEarlyInitialization(library);
+
+  ChildProcessMainWithCallback(base::Bind(&RunNativeLibrary, library));
+
+  return 0;
+}
+
+}  // namespace service_manager