Add ability to query and allocate zero copy buffers.

ui/ozone/platform/dri/gbm_surface_factory.h

Index: ui/ozone/platform/dri/gbm_surface_factory.h
diff --git a/ui/ozone/platform/dri/gbm_surface_factory.h b/ui/ozone/platform/dri/gbm_surface_factory.h
index a9455db0bca73087708d5081bf1eabc2e78abe48..6b35cff28d62ee956dad4c4e97bb5fb090115a9b 100644
--- a/ui/ozone/platform/dri/gbm_surface_factory.h
+++ b/ui/ozone/platform/dri/gbm_surface_factory.h
@@ -36,7 +36,8 @@ class GbmSurfaceFactory : public DriSurfaceFactory {
       gfx::AcceleratedWidget widget) override;
   scoped_refptr<ui::NativePixmap> CreateNativePixmap(
       gfx::Size size,
-      BufferFormat format) override;
+      BufferFormat format,
+      BufferUsage usage) override;
   OverlayCandidatesOzone* GetOverlayCandidates(
       gfx::AcceleratedWidget w) override;
   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
@@ -46,6 +47,7 @@ class GbmSurfaceFactory : public DriSurfaceFactory {
                             const gfx::Rect& display_bounds,
                             const gfx::RectF& crop_rect) override;
   bool CanShowPrimaryPlaneAsOverlay() override;
+  bool CanCreateNativePixmap(BufferUsage usage) override;
 
  private:
   DriWindowDelegate* GetOrCreateWindowDelegate(gfx::AcceleratedWidget widget);