[DeviceService] Move PowerMonitor interfaces, client lib, impl to live in Device Service

device/BUILD.gn

 # Copyright 2015 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.
 
 import("//build/config/features.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")  # For generate_jni().
 }
@@ skipping 50 matching lines @@
     "bluetooth/test/mock_bluetooth_central_manager_mac.mm",
     "bluetooth/test/test_bluetooth_adapter_observer.cc",
     "bluetooth/test/test_bluetooth_adapter_observer.h",
     "bluetooth/test/test_bluetooth_local_gatt_service_delegate.cc",
     "bluetooth/test/test_bluetooth_local_gatt_service_delegate.h",
     "gamepad/gamepad_provider_unittest.cc",
     "gamepad/gamepad_service_unittest.cc",
     "gamepad/public/interfaces/gamepad_struct_traits_unittest.cc",
     "generic_sensor/platform_sensor_and_provider_unittest_win.cc",
     "generic_sensor/platform_sensor_provider_unittest.cc",
-    "power_monitor/power_monitor_message_broadcaster_unittest.cc",
-    "power_monitor/public/cpp/power_monitor_broadcast_source_unittest.cc",
     "sensors/data_fetcher_shared_memory_base_unittest.cc",
     "sensors/sensor_manager_android_unittest.cc",
     "sensors/sensor_manager_chromeos_unittest.cc",
     "test/run_all_unittests.cc",
     "wake_lock/wake_lock_service_context_unittest.cc",
   ]
 
   deps = [
     "//base/test:test_support",
     "//base/third_party/dynamic_annotations:dynamic_annotations",
     "//device/base/synchronization",
     "//device/battery",
     "//device/battery:mojo_bindings",
     "//device/bluetooth",
     "//device/bluetooth:mocks",
     "//device/bluetooth:mojo",
     "//device/gamepad",
     "//device/gamepad:test_helpers",
     "//device/gamepad/public/interfaces",
     "//device/gamepad/public/interfaces:gamepad_struct_traits_test",
     "//device/generic_sensor",
     "//device/generic_sensor:testing",
     "//device/geolocation:unittests",
-    "//device/power_monitor",
-    "//device/power_monitor/public/cpp",
-    "//device/power_monitor/public/interfaces",
     "//device/power_save_blocker",
     "//device/sensors",
     "//device/sensors/public/cpp",
     "//device/sensors/public/interfaces",
     "//device/wake_lock",
     "//mojo/common",
     "//mojo/edk/system",
     "//mojo/public/cpp/bindings",
     "//net",
     "//testing/gmock",
@@ skipping 201 matching lines @@
     ]
     srcjar_deps = [ "//device/gamepad:java_enums_srcjar" ]
   }
 
   java_cpp_enum("bluetooth_test_javagen") {
     sources = [
       "bluetooth/test/bluetooth_test.h",
     ]
   }
 }