SystemMonitor refactoring: move power state monitor into a separate class called PowerMonitor

base/base.gypi

 # Copyright (c) 2012 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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
     },
     'target_conditions': [
@@ skipping 288 matching lines @@
           'pending_task.h',
           'pickle.cc',
           'pickle.h',
           'platform_file.cc',
           'platform_file.h',
           'platform_file_posix.cc',
           'platform_file_win.cc',
           'port.h',
           'posix/unix_domain_socket.cc',
           'posix/unix_domain_socket.h',
+          'power_monitor/power_monitor.cc',
+          'power_monitor/power_monitor.h',
+          'power_monitor/power_monitor_android.cc',
+          'power_monitor/power_monitor_android.h',
+          'power_monitor/power_monitor_ios.mm',
+          'power_monitor/power_monitor_mac.mm',
+          'power_monitor/power_monitor_posix.cc',
+          'power_monitor/power_monitor_win.cc',
+          'power_monitor/power_observer.h',
           'process.h',
           'process_info.h',
           'process_info_mac.cc',
           'process_info_win.cc',
           'process_linux.cc',
           'process_posix.cc',
           'process_util.cc',
           'process_util.h',
           'process_util_freebsd.cc',
           'process_util_ios.mm',
@@ skipping 66 matching lines @@
           'synchronization/lock_impl_win.cc',
           'synchronization/spin_wait.h',
           'synchronization/waitable_event.h',
           'synchronization/waitable_event_posix.cc',
           'synchronization/waitable_event_watcher.h',
           'synchronization/waitable_event_watcher_posix.cc',
           'synchronization/waitable_event_watcher_win.cc',
           'synchronization/waitable_event_win.cc',
           'system_monitor/system_monitor.cc',
           'system_monitor/system_monitor.h',
-          'system_monitor/system_monitor_android.cc',
-          'system_monitor/system_monitor_android.h',
-          'system_monitor/system_monitor_ios.mm',
-          'system_monitor/system_monitor_mac.mm',
-          'system_monitor/system_monitor_posix.cc',
-          'system_monitor/system_monitor_win.cc',
           'sys_byteorder.h',
           'sys_info.h',
           'sys_info_android.cc',
           'sys_info_chromeos.cc',
           'sys_info_freebsd.cc',
           'sys_info_ios.mm',
           'sys_info_linux.cc',
           'sys_info_mac.cc',
           'sys_info_openbsd.cc',
           'sys_info_posix.cc',
@@ skipping 181 matching lines @@
                'sys_info_posix.cc',
                'threading/sequenced_worker_pool.cc',
                'third_party/dynamic_annotations/dynamic_annotations.c',
             ],
           }],
           ['OS == "android" and >(nacl_untrusted_build)==0', {
             'sources!': [
               'base_paths_posix.cc',
               'files/file_path_watcher_kqueue.cc',
               'files/file_path_watcher_stub.cc',
-              'system_monitor/system_monitor_posix.cc',
+              'power_monitor/power_monitor_posix.cc',
             ],
             'sources/': [
               ['include', '^files/file_path_watcher_linux\\.cc$'],
               ['include', '^process_util_linux\\.cc$'],
               ['include', '^sys_info_linux\\.cc$'],
               ['include', '^sys_string_conversions_posix\\.cc$'],
               ['include', '^worker_pool_linux\\.cc$'],
             ],
           }],
           ['OS == "ios"', {
@@ skipping 93 matching lines @@
           # Remove all unnecessary files for build_nexe.py to avoid exceeding
           # command-line-string limitation when building NaCl on Windows.
           ['OS == "win" and >(nacl_untrusted_build)==1', {
               'sources/': [ ['exclude', '\\.h$'] ],
           }],
         ],
       }],
     ],
   },
 }