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

chrome/browser/chromeos/preferences.h

Index: chrome/browser/chromeos/preferences.h
diff --git a/chrome/browser/chromeos/preferences.h b/chrome/browser/chromeos/preferences.h
index 4f15b8493b2616befba9f4db0e5ccef432e24c8b..c86f395ac2539c2f3ba41cc5c8e39b1fb858800c 100644
--- a/chrome/browser/chromeos/preferences.h
+++ b/chrome/browser/chromeos/preferences.h
@@ -164,30 +164,8 @@ class Preferences : public PrefServiceSyncableObserver {
   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);
 };