Reland of: 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 421 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_temperature_reader.cc",
+    "system/cpu_temperature_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 218 matching lines @@
     "network/onc/onc_utils_unittest.cc",
     "network/onc/onc_validator_unittest.cc",
     "network/prohibited_technologies_handler_unittest.cc",
     "network/shill_property_handler_unittest.cc",
     "printing/ppd_cache_unittest.cc",
     "printing/ppd_provider_unittest.cc",
     "printing/printer_translator_unittest.cc",
     "process_proxy/process_output_watcher_unittest.cc",
     "process_proxy/process_proxy_unittest.cc",
     "settings/timezone_settings_unittest.cc",
+    "system/cpu_temperature_reader_unittest.cc",
     "system/name_value_pairs_parser_unittest.cc",
     "system/version_loader_unittest.cc",
     "timezone/timezone_unittest.cc",
     "tpm/tpm_token_info_getter_unittest.cc",
   ]
   if (use_binder) {
     if (current_cpu == "arm" || current_cpu == "x86") {
       defines += [ "BINDER_IPC_32BIT" ]
     }
     sources += [
@@ skipping 52 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"
 }