It is time.

ui/ozone/platform/dri/gbm_buffer_base.h

Index: ui/ozone/platform/dri/gbm_buffer_base.h
diff --git a/ui/ozone/platform/dri/gbm_buffer_base.h b/ui/ozone/platform/dri/gbm_buffer_base.h
deleted file mode 100644
index 58ce1598096080b2b4775855e56345ea078036f2..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/dri/gbm_buffer_base.h
+++ /dev/null
@@ -1,43 +0,0 @@
-// 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_DRI_GBM_BUFFER_BASE_H_
-#define UI_OZONE_PLATFORM_DRI_GBM_BUFFER_BASE_H_
-
-#include "ui/ozone/platform/dri/scanout_buffer.h"
-
-struct gbm_bo;
-
-namespace ui {
-
-class DriWrapper;
-
-// Wrapper for a GBM buffer. The base class provides common functionality
-// required to prepare the buffer for scanout. It does not provide any ownership
-// of the buffer. Implementations of this base class should deal with buffer
-// ownership.
-class GbmBufferBase : public ScanoutBuffer {
- public:
-  gbm_bo* bo() const { return bo_; }
-
-  // ScanoutBuffer:
-  virtual uint32_t GetFramebufferId() const override;
-  virtual uint32_t GetHandle() const override;
-  virtual gfx::Size GetSize() const override;
-
- protected:
-  GbmBufferBase(DriWrapper* dri, gbm_bo* bo, bool scanout);
-  virtual ~GbmBufferBase();
-
- private:
-  DriWrapper* dri_;
-  gbm_bo* bo_;
-  uint32_t framebuffer_;
-
-  DISALLOW_COPY_AND_ASSIGN(GbmBufferBase);
-};
-
-}  // namespace ui
-
-#endif  // UI_OZONE_PLATFORM_DRI_GBM_BUFFER_BASE_H_