It is time.

ui/ozone/platform/dri/gbm_surfaceless.h

Index: ui/ozone/platform/dri/gbm_surfaceless.h
diff --git a/ui/ozone/platform/dri/gbm_surfaceless.h b/ui/ozone/platform/dri/gbm_surfaceless.h
deleted file mode 100644
index d30b7a49891dda439e04c86a795eb175ec5c8979..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/dri/gbm_surfaceless.h
+++ /dev/null
@@ -1,41 +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_SURFACELESS_H_
-#define UI_OZONE_PLATFORM_DRI_GBM_SURFACELESS_H_
-
-#include "ui/ozone/public/surface_ozone_egl.h"
-
-namespace gfx {
-class Size;
-}  // namespace gfx
-
-namespace ui {
-
-class DriWindowDelegate;
-
-// In surfaceless mode drawing and displaying happens directly through
-// NativePixmap buffers. CC would call into SurfaceFactoryOzone to allocate the
-// buffers and then call ScheduleOverlayPlane(..) to schedule the buffer for
-// presentation.
-class GbmSurfaceless : public SurfaceOzoneEGL {
- public:
-  GbmSurfaceless(DriWindowDelegate* window_delegate);
-  virtual ~GbmSurfaceless();
-
-  // SurfaceOzoneEGL:
-  virtual intptr_t GetNativeWindow() override;
-  virtual bool ResizeNativeWindow(const gfx::Size& viewport_size) override;
-  virtual bool OnSwapBuffers() override;
-  virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() override;
-
- protected:
-  DriWindowDelegate* window_delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(GbmSurfaceless);
-};
-
-}  // namespace ui
-
-#endif  // UI_OZONE_PLATFORM_DRI_GBM_SURFACELESS_H_