chromeos: Add CPU temperature reader

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 419 matching lines @@
     "process_proxy/process_proxy_registry.cc",
     "process_proxy/process_proxy_registry.h",
     "settings/cros_settings_names.cc",
     "settings/cros_settings_names.h",
     "settings/cros_settings_provider.cc",
     "settings/cros_settings_provider.h",
     "settings/timezone_settings.cc",
     "settings/timezone_settings.h",
     "settings/timezone_settings_helper.cc",
     "settings/timezone_settings_helper.h",
+    "system/cpu_temp_reader.cc",
+    "system/cpu_temp_reader.h",
     "system/devicemode.cc",
     "system/devicemode.h",
     "system/devicetype.cc",
     "system/devicetype.h",
 
     # Used when running mash, both on Linux and on real devices.
     "system/fake_statistics_provider.cc",
     "system/fake_statistics_provider.h",
     "system/name_value_pairs_parser.cc",
     "system/name_value_pairs_parser.h",
@@ skipping 287 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"
 }