chromeos: Add PowerManagerClient::GetSwitchStates().

chromeos/BUILD.gn

 # 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.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//third_party/protobuf/proto_library.gni")
 
 assert(is_chromeos, "Non-ChromeOS builds must not depend on //chromeos")
 
@@ skipping 677 matching lines @@
   ]
 }
 
 proto_library("power_manager_proto") {
   sources = [
     "//third_party/cros_system_api/dbus/power_manager/input_event.proto",
     "//third_party/cros_system_api/dbus/power_manager/peripheral_battery_status.proto",
     "//third_party/cros_system_api/dbus/power_manager/policy.proto",
     "//third_party/cros_system_api/dbus/power_manager/power_supply_properties.proto",
     "//third_party/cros_system_api/dbus/power_manager/suspend.proto",
+    "//third_party/cros_system_api/dbus/power_manager/switch_states.proto",
   ]
 
   proto_out_dir = "chromeos/dbus/power_manager"
 }
 
 proto_library("cryptohome_proto") {
   sources = [
     "//third_party/cros_system_api/dbus/cryptohome/key.proto",
     "//third_party/cros_system_api/dbus/cryptohome/rpc.proto",
   ]
@@ skipping 17 matching lines @@
   proto_out_dir = "chromeos/cryptohome"
 }
 
 proto_library("authpolicy_proto") {
   sources = [
     "//third_party/cros_system_api/dbus/authpolicy/active_directory_account_data.proto",
   ]
 
   proto_out_dir = "chromeos/dbus/authpolicy"
 }