chromeos: Don't apply stale display power state after resume

ui/display/chromeos/display_configurator.h

Index: ui/display/chromeos/display_configurator.h
diff --git a/ui/display/chromeos/display_configurator.h b/ui/display/chromeos/display_configurator.h
index bbc7b533ec7594398340674abcc51f8ac05a19a2..f4b10d0904ef92503900df84e4b489193e162be2 100644
--- a/ui/display/chromeos/display_configurator.h
+++ b/ui/display/chromeos/display_configurator.h
@@ -267,9 +267,13 @@ class DISPLAY_EXPORT DisplayConfigurator : public NativeDisplayObserver {
                       bool try_panel_fitting,
                       bool preserve_aspect);
 
-  // Configures displays.
+  // Configures displays. Invoked by |configure_timer_|.
   void ConfigureDisplays();
 
+  // Restores |requested_power_state_| after the system has resumed,
+  // additionally forcing a probe. Invoked by |configure_timer_|.
+  void RestoreRequestedPowerStateAfterResume();
+
   // Notifies observers about an attempted state change.
   void NotifyObservers(bool success, MultipleDisplayState attempted_state);