Remove synchronous GetDisplays() and Configure() from NativeDisplayDelegate

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 54cb4539ae1532a4705f7d6c5a67f0f9d8fceed4..ac9fb166bb593aa015e53157e684995cd9faf169 100644
--- a/ui/ozone/common/native_display_delegate_ozone.cc
+++ b/ui/ozone/common/native_display_delegate_ozone.cc
@@ -52,13 +52,9 @@ void NativeDisplayDelegateOzone::ForceDPMSOn() {
   NOTIMPLEMENTED();
 }
 
-std::vector<ui::DisplaySnapshot*> NativeDisplayDelegateOzone::GetDisplays() {
-  return displays_.get();
-}
-
 void NativeDisplayDelegateOzone::GetDisplays(
     const GetDisplaysCallback& callback) {
-  callback.Run(GetDisplays());
+  callback.Run(displays_.get());
 }
 
 void NativeDisplayDelegateOzone::AddMode(const ui::DisplaySnapshot& output,
@@ -66,13 +62,6 @@ void NativeDisplayDelegateOzone::AddMode(const ui::DisplaySnapshot& output,
   NOTIMPLEMENTED();
 }
 
-bool NativeDisplayDelegateOzone::Configure(const ui::DisplaySnapshot& output,
-                                           const ui::DisplayMode* mode,
-                                           const gfx::Point& origin) {
-  NOTIMPLEMENTED();
-  return true;
-}
-
 void NativeDisplayDelegateOzone::Configure(const ui::DisplaySnapshot& output,
                                            const ui::DisplayMode* mode,
                                            const gfx::Point& origin,