chromeos: Turn off displays on suspend

ui/ozone/common/native_display_delegate_ozone.cc

Index: ui/ozone/common/native_display_delegate_ozone.cc
diff --git a/ui/ozone/common/native_display_delegate_ozone.cc b/ui/ozone/common/native_display_delegate_ozone.cc
index b0a6344dac57ff53f90c20866258ecce04e84131..dfd536ab99305b3957393f7f902be45672b24452 100644
--- a/ui/ozone/common/native_display_delegate_ozone.cc
+++ b/ui/ozone/common/native_display_delegate_ozone.cc
@@ -57,7 +57,7 @@ void NativeDisplayDelegateOzone::ForceDPMSOn() {
   NOTIMPLEMENTED();
 }
 
-void NativeDisplayDelegateOzone::GetDisplays(
+void NativeDisplayDelegateOzone::GetCachedDisplays(
     const GetDisplaysCallback& callback) {
   std::vector<DisplaySnapshot*> displays;
   for (const auto& display : displays_)
@@ -65,6 +65,11 @@ void NativeDisplayDelegateOzone::GetDisplays(
   callback.Run(displays);
 }
 
+void NativeDisplayDelegateOzone::GetDisplays(
+    const GetDisplaysCallback& callback) {
+  GetCachedDisplays(callback);
+}
+
 void NativeDisplayDelegateOzone::AddMode(const ui::DisplaySnapshot& output,
                                          const ui::DisplayMode* mode) {
   NOTIMPLEMENTED();