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 e1e3c81fc1997d61a8d3701e53ce72e0b638c730..6c906b91fea047e5e8def3165d14bfbea814036a 100644
--- a/chrome/browser/chromeos/preferences.h
+++ b/chrome/browser/chromeos/preferences.h
@@ -165,30 +165,8 @@ 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);
 };