ozone: Allocate scanout buffers according to KMS modifiers.

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

Index: ui/ozone/platform/drm/gpu/hardware_display_plane.h
diff --git a/ui/ozone/platform/drm/gpu/hardware_display_plane.h b/ui/ozone/platform/drm/gpu/hardware_display_plane.h
index a7b23f4d1d4a85622ebe00b13281100c0d723cb3..90050f98a89d68ed138f643a440df7d94b94ef57 100644
--- a/ui/ozone/platform/drm/gpu/hardware_display_plane.h
+++ b/ui/ozone/platform/drm/gpu/hardware_display_plane.h
@@ -8,6 +8,8 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include <xf86drmMode.h>
+
 #include <vector>
 
 #include "base/macros.h"
@@ -27,11 +29,14 @@ class HardwareDisplayPlane {
 
   bool Initialize(DrmDevice* drm,
                   const std::vector<uint32_t>& formats,
+                  const std::vector<drm_format_modifier>& format_info,
                   bool is_dummy,
                   bool test_only);
 
   bool IsSupportedFormat(uint32_t format);
 
+  std::vector<uint64_t> ModifiersForFormat(uint32_t format);
+
   bool CanUseForCrtc(uint32_t crtc_index);
 
   bool in_use() const { return in_use_; }
@@ -58,6 +63,7 @@ class HardwareDisplayPlane {
   bool in_use_ = false;
   Type type_ = kPrimary;
   std::vector<uint32_t> supported_formats_;
+  std::vector<drm_format_modifier> supported_format_modifiers_;
 
   DISALLOW_COPY_AND_ASSIGN(HardwareDisplayPlane);
 };