Introduce Identity Service and its initial usage

services/device/device_service.cc

 // Copyright 2016 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/device/device_service.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "device/battery/battery_monitor.mojom.h"
 #include "device/battery/battery_monitor_impl.h"
 #include "device/battery/battery_status_service.h"
 #include "device/sensors/device_sensor_host.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 #include "services/device/fingerprint/fingerprint.h"
 #include "services/device/power_monitor/power_monitor_message_broadcaster.h"
 #include "services/device/time_zone_monitor/time_zone_monitor.h"
 #include "services/service_manager/public/cpp/connection.h"
 #include "services/service_manager/public/cpp/interface_registry.h"
+#include "services/service_manager/public/cpp/service_info.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/context_utils.h"
 #include "base/android/jni_android.h"
 #include "jni/InterfaceRegistrar_jni.h"
 #include "services/device/android/register_jni.h"
 #include "services/device/screen_orientation/screen_orientation_listener_android.h"
 #else
 #include "device/vibration/vibration_manager_impl.h"
 #endif
@@ skipping 179 matching lines @@
     java_interface_provider_.Bind(std::move(provider));
 
     java_interface_provider_initialized_ = true;
   }
 
   return &java_interface_provider_;
 }
 #endif
 
 }  // namespace device