chromeos: Add DisplayPowerServiceProvider.

chrome/browser/chromeos/power/output_observer.cc

Index: chrome/browser/chromeos/power/output_observer.cc
diff --git a/chrome/browser/chromeos/power/output_observer.cc b/chrome/browser/chromeos/power/output_observer.cc
index 24e573e1cbd088d5a69da291b1889b3699025802..5889f6c8b32e692d429f774b815682a2153e621f 100644
--- a/chrome/browser/chromeos/power/output_observer.cc
+++ b/chrome/browser/chromeos/power/output_observer.cc
@@ -28,8 +28,15 @@ void OutputObserver::ScreenPowerSet(bool power_on, bool all_displays) {
         OnAllOutputsTurnedOff();
   }
 
-  ash::Shell::GetInstance()->output_configurator()->
-      ScreenPowerSet(power_on, all_displays);
+  DisplayPowerState state = DISPLAY_POWER_ALL_ON;
+  if (power_on)
+    state = DISPLAY_POWER_ALL_ON;
+  else if (!power_on && all_displays)
+    state = DISPLAY_POWER_ALL_OFF;
+  else if (!power_on && !all_displays)
+    state = DISPLAY_POWER_INTERNAL_OFF_EXTERNAL_ON;
+
+  ash::Shell::GetInstance()->output_configurator()->SetDisplayPowerState(state);
 }
 
 }  // namespace chromeos