Delete dead (and obsolete) display compositor API

services/ui/gpu/display_compositor/display_impl.h

Index: services/ui/gpu/display_compositor/display_impl.h
diff --git a/services/ui/gpu/display_compositor/display_impl.h b/services/ui/gpu/display_compositor/display_impl.h
deleted file mode 100644
index 90b52699c07c50b1e1ce84d4cd9ffbf1e98dd67a..0000000000000000000000000000000000000000
--- a/services/ui/gpu/display_compositor/display_impl.h
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2016 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_UI_GPU_DISPLAY_COMPOSITOR_DISPLAY_IMPL_H_
-#define SERVICES_UI_GPU_DISPLAY_COMPOSITOR_DISPLAY_IMPL_H_
-
-#include "mojo/public/cpp/bindings/binding.h"
-#include "services/ui/gpu/display_compositor/compositor_frame_sink_delegate.h"
-#include "services/ui/public/interfaces/gpu/display_compositor_host.mojom.h"
-#include "services/ui/surfaces/display_compositor.h"
-
-namespace ui {
-namespace gpu {
-
-class DisplayImpl : public mojom::Display, public CompositorFrameSinkDelegate {
- public:
-  DisplayImpl(int accelerated_widget,
-              mojo::InterfaceRequest<mojom::Display> display,
-              mojom::DisplayHostPtr host,
-              mojo::InterfaceRequest<mojom::CompositorFrameSink> sink,
-              mojom::CompositorFrameSinkClientPtr client,
-              const scoped_refptr<DisplayCompositor>& display_compositor);
-  ~DisplayImpl() override;
-
-  // mojom::Display implementation.
-  void CreateClient(
-      uint32_t client_id,
-      mojo::InterfaceRequest<mojom::DisplayClient> client) override;
-
- private:
-  // CompositorFrameSinkDelegate implementation:
-  void CompositorFrameSinkConnectionLost(int sink_id) override;
-  cc::SurfaceId GenerateSurfaceId() override;
-
-  std::unique_ptr<CompositorFrameSinkImpl> sink_;
-  mojo::Binding<mojom::Display> binding_;
-  DISALLOW_COPY_AND_ASSIGN(DisplayImpl);
-};
-
-}  // namespace gpu
-}  // namespace ui
-
-#endif  // SERVICES_UI_GPU_DISPLAY_COMPOSITOR_DISPLAY_IMPL_H_