Delete the Surfaces service.

services/surfaces/surfaces_output_surface.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 SERVICES_SURFACES_SURFACES_OUTPUT_SURFACE_H_
-#define SERVICES_SURFACES_SURFACES_OUTPUT_SURFACE_H_
-
-#include "cc/output/output_surface.h"
-
-namespace mojo {
-
-// An OutputSurface implementation that directly draws and
-// swaps to an actual GL surface.
-class DirectOutputSurface : public cc::OutputSurface {
- public:
-  explicit DirectOutputSurface(
-      const scoped_refptr<cc::ContextProvider>& context_provider);
-  ~DirectOutputSurface() override;
-
-  // cc::OutputSurface implementation
-  void SwapBuffers(cc::CompositorFrame* frame) override;
-
- private:
-  base::WeakPtrFactory<DirectOutputSurface> weak_ptr_factory_;
-};
-
-}  // namespace mojo
-
-#endif  // SERVICES_SURFACES_SURFACES_OUTPUT_SURFACE_H_