Delay display configuration after waking up from suspend with multi displays

ash/system/chromeos/power/power_event_observer.cc

Index: ash/system/chromeos/power/power_event_observer.cc
diff --git a/ash/system/chromeos/power/power_event_observer.cc b/ash/system/chromeos/power/power_event_observer.cc
index 663a8a613876b67e12d9c7bb4aae4bf5a22c3336..b42e42d263e89a45fb0002566159b1446d44fa4f 100644
--- a/ash/system/chromeos/power/power_event_observer.cc
+++ b/ash/system/chromeos/power/power_event_observer.cc
@@ -41,6 +41,8 @@ void OnSuspendDisplaysCompleted(const base::Closure& suspend_callback,
   suspend_callback.Run();
 }
 
+void DoNothing(bool) {}
+
 }  // namespace
 
 PowerEventObserver::PowerEventObserver()
@@ -125,7 +127,8 @@ void PowerEventObserver::SuspendImminent() {
 }
 
 void PowerEventObserver::SuspendDone(const base::TimeDelta& sleep_duration) {
-  Shell::GetInstance()->display_configurator()->ResumeDisplays();
+  Shell::GetInstance()->display_configurator()->ResumeDisplays(
+      base::Bind(&DoNothing));
   WmShell::Get()->system_tray_notifier()->NotifyRefreshClock();
 
   // If the suspend request was being blocked while waiting for the lock