ozone: Allocate scanout buffers according to KMS modifiers.

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_OZONE_PLATFORM_DRM_GPU_GBM_BUFFER_BASE_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_GBM_BUFFER_BASE_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 19 matching lines @@
   uint32_t GetHandle() const override;
   gfx::Size GetSize() const override;
   uint32_t GetFramebufferPixelFormat() const override;
   const DrmDevice* GetDrmDevice() const override;
   bool RequiresGlFinish() const override;
 
  protected:
   GbmBufferBase(const scoped_refptr<GbmDevice>& drm,
                 gbm_bo* bo,
                 uint32_t format,
-                uint32_t flags);
+                uint32_t flags,
+                uint64_t modifier,
+                uint32_t addfb_flags);
   ~GbmBufferBase() override;
 
  private:
   scoped_refptr<GbmDevice> drm_;
   gbm_bo* bo_;
   uint32_t framebuffer_ = 0;
   uint32_t framebuffer_pixel_format_ = 0;
 
   DISALLOW_COPY_AND_ASSIGN(GbmBufferBase);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_GBM_BUFFER_BASE_H_