Created multi-process-friendly PowerMonitor interface.

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 352 matching lines @@
           'platform_file_posix.cc',
           'platform_file_win.cc',
           'port.h',
           'posix/eintr_wrapper.h',
           'posix/global_descriptors.cc',
           'posix/global_descriptors.h',
           'posix/unix_domain_socket_linux.cc',
           'posix/unix_domain_socket_linux.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_monitor_device_source_android.cc',
+          'power_monitor/power_monitor_device_source_android.h',
+          'power_monitor/power_monitor_device_source.cc',
+          'power_monitor/power_monitor_device_source.h',
+          'power_monitor/power_monitor_device_source_ios.mm',
+          'power_monitor/power_monitor_device_source_mac.mm',
+          'power_monitor/power_monitor_device_source_posix.cc',
+          'power_monitor/power_monitor_device_source_win.cc',
+          'power_monitor/power_monitor_source.cc',
+          'power_monitor/power_monitor_source.h',
           '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',
@@ skipping 474 matching lines @@
           ['<(use_system_nspr)==1 and >(nacl_untrusted_build)==0', {
             'sources/': [
               ['exclude', '^third_party/nspr/'],
             ],
           }],
         ],
       }],
     ],
   },
 }