Add policies to control power management on the Chrome OS login screen

chrome/browser/chromeos/preferences.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
 #define CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 152 matching lines @@
   BooleanPrefMember mozc_boolean_prefs_[
       language_prefs::kNumMozcBooleanPrefs];
   StringPrefMember mozc_multiple_choice_prefs_[
       language_prefs::kNumMozcMultipleChoicePrefs];
   IntegerPrefMember mozc_integer_prefs_[
       language_prefs::kNumMozcIntegerPrefs];
   BooleanPrefMember xkb_auto_repeat_enabled_;
   IntegerPrefMember xkb_auto_repeat_delay_pref_;
   IntegerPrefMember xkb_auto_repeat_interval_pref_;
 
-  BooleanPrefMember enable_screen_lock_;
-
   BooleanPrefMember enable_drm_;
 
-  // Power-management-related preferences.
-  IntegerPrefMember power_ac_screen_dim_delay_ms_;
-  IntegerPrefMember power_ac_screen_off_delay_ms_;
-  IntegerPrefMember power_ac_screen_lock_delay_ms_;
-  IntegerPrefMember power_ac_idle_warning_delay_ms_;
-  IntegerPrefMember power_ac_idle_delay_ms_;
-  IntegerPrefMember power_battery_screen_dim_delay_ms_;
-  IntegerPrefMember power_battery_screen_off_delay_ms_;
-  IntegerPrefMember power_battery_screen_lock_delay_ms_;
-  IntegerPrefMember power_battery_idle_warning_delay_ms_;
-  IntegerPrefMember power_battery_idle_delay_ms_;
-  IntegerPrefMember power_ac_idle_action_;
-  IntegerPrefMember power_battery_idle_action_;
-  IntegerPrefMember power_lid_closed_action_;
-  BooleanPrefMember power_use_audio_activity_;
-  BooleanPrefMember power_use_video_activity_;
-  BooleanPrefMember power_allow_screen_wake_locks_;
-  DoublePrefMember power_presentation_screen_dim_delay_factor_;
-  DoublePrefMember power_user_activity_screen_dim_delay_factor_;
-
   DISALLOW_COPY_AND_ASSIGN(Preferences);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_