Add FakeDisplayDelegate for off device usage.

ui/display/types/native_display_delegate.cc

Index: ui/display/types/native_display_delegate.cc
diff --git a/ui/ozone/platform/drm/gpu/inter_thread_messaging_proxy.cc b/ui/display/types/native_display_delegate.cc
similarity index 61%
copy from ui/ozone/platform/drm/gpu/inter_thread_messaging_proxy.cc
copy to ui/display/types/native_display_delegate.cc
index fd909c29a8bdf280c2367e718e727f22d87be06f..eda782c453ee434d17a048a5437a22712ea930f0 100644
--- a/ui/ozone/platform/drm/gpu/inter_thread_messaging_proxy.cc
+++ b/ui/display/types/native_display_delegate.cc
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/ozone/platform/drm/gpu/inter_thread_messaging_proxy.h"
+#include "ui/display/types/native_display_delegate.h"
 
 namespace ui {
 
-InterThreadMessagingProxy::~InterThreadMessagingProxy() {}
+NativeDisplayDelegate::~NativeDisplayDelegate() {}
 
 }  // namespace ui