SurfaceFactoryOzone: expose scanout supported GpuMemoryBufferAttribs

ui/ozone/platform/drm/gpu/drm_thread_proxy.cc

Index: ui/ozone/platform/drm/gpu/drm_thread_proxy.cc
diff --git a/ui/ozone/platform/drm/gpu/drm_thread_proxy.cc b/ui/ozone/platform/drm/gpu/drm_thread_proxy.cc
index dccef01e78328127185556c45c65b0d94aad5aba..3dcf3fca9baf82f60adc1f94e4934c6f0278dccc 100644
--- a/ui/ozone/platform/drm/gpu/drm_thread_proxy.cc
+++ b/ui/ozone/platform/drm/gpu/drm_thread_proxy.cc
@@ -63,6 +63,15 @@ void DrmThreadProxy::GetScanoutFormats(
                  widget, scanout_formats));
 }
 
+void DrmThreadProxy::GetScanoutFormatsWithModifiers(
+    gfx::AcceleratedWidget widget,
+    gfx::GpuMemoryBufferAttribVector* scanout_combinations) {
+  PostSyncTask(
+      drm_thread_.task_runner(),
+      base::Bind(&DrmThread::GetScanoutFormatsWithModifiers,
+                 base::Unretained(&drm_thread_), widget, scanout_combinations));
+}
+
 void DrmThreadProxy::AddBinding(ozone::mojom::DeviceCursorRequest request) {
   drm_thread_.task_runner()->PostTask(
       FROM_HERE,