SurfaceFactoryOzone: expose scanout supported GpuMemoryBufferAttribs

ui/ozone/public/surface_factory_ozone.h

Index: ui/ozone/public/surface_factory_ozone.h
diff --git a/ui/ozone/public/surface_factory_ozone.h b/ui/ozone/public/surface_factory_ozone.h
index 6e7726a660cd7ae319132e455f51f51883df75f6..70d651c64b4fa24870d987343d2254816f8a71e4 100644
--- a/ui/ozone/public/surface_factory_ozone.h
+++ b/ui/ozone/public/surface_factory_ozone.h
@@ -81,6 +81,12 @@ class OZONE_BASE_EXPORT SurfaceFactoryOzone {
   virtual std::vector<gfx::BufferFormat> GetScanoutFormats(
       gfx::AcceleratedWidget widget);
 
+  // Returns all scanout format-modifier pairs for a particular display
+  // controller connected to |widget|, or for all display controllers in case
+  // |widget| == kNullAcceleratedWidget.
+  virtual gfx::GpuMemoryBufferAttribVector GetScanoutFormatsWithModifiers(
+      gfx::AcceleratedWidget widget);
+
   // Create a single native buffer to be used for overlay planes or zero copy
   // for |widget| representing a particular display controller or default
   // display controller for kNullAcceleratedWidget.