ozone: Allocate scanout buffer according to KMS modifiers

ui/ozone/platform/drm/gpu/gbm_buffer.h

Index: ui/ozone/platform/drm/gpu/gbm_buffer.h
diff --git a/ui/ozone/platform/drm/gpu/gbm_buffer.h b/ui/ozone/platform/drm/gpu/gbm_buffer.h
index e38a50f75734788539dfb9eff1d5ed197c57ba28..14d56556c127986ba71a6120b6a32aaa2089677f 100644
--- a/ui/ozone/platform/drm/gpu/gbm_buffer.h
+++ b/ui/ozone/platform/drm/gpu/gbm_buffer.h
@@ -28,6 +28,12 @@ class GbmBuffer : public GbmBufferBase {
       uint32_t format,
       const gfx::Size& size,
       uint32_t usage);
+  static scoped_refptr<GbmBuffer> CreateBufferWithModifiers(
+      const scoped_refptr<GbmDevice>& gbm,
+      uint32_t format,
+      const gfx::Size& size,
+      uint32_t flags,
+      const std::vector<uint64_t>& modifiers);
   static scoped_refptr<GbmBuffer> CreateBufferFromFds(
       const scoped_refptr<GbmDevice>& gbm,
       uint32_t format,
@@ -50,6 +56,7 @@ class GbmBuffer : public GbmBufferBase {
             gbm_bo* bo,
             uint32_t format,
             uint32_t flags,
+            uint64_t modifier,
             std::vector<base::ScopedFD>&& fds,
             const gfx::Size& size,
             const std::vector<gfx::NativePixmapPlane>&& planes);
@@ -57,6 +64,7 @@ class GbmBuffer : public GbmBufferBase {
 
   uint32_t format_;
   uint32_t flags_;
+  uint64_t modifier_;
   std::vector<base::ScopedFD> fds_;
   gfx::Size size_;