Reland of "Decouple GpuCompositorFrameSink from DisplayCompositor"

services/ui/surfaces/gpu_offscreen_compositor_frame_sink.h

Index: services/ui/surfaces/gpu_offscreen_compositor_frame_sink.h
diff --git a/services/ui/surfaces/gpu_offscreen_compositor_frame_sink.h b/services/ui/surfaces/gpu_offscreen_compositor_frame_sink.h
deleted file mode 100644
index bf339b11f7e8fd310e95cb7f1624813e9299fb98..0000000000000000000000000000000000000000
--- a/services/ui/surfaces/gpu_offscreen_compositor_frame_sink.h
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright 2017 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_SURFACES_GPU_OFFSCREEN_COMPOSITOR_FRAME_SINK_H_
-#define SERVICES_UI_SURFACES_GPU_OFFSCREEN_COMPOSITOR_FRAME_SINK_H_
-
-#include "services/ui/surfaces/gpu_compositor_frame_sink.h"
-
-namespace ui {
-
-class GpuOffscreenCompositorFrameSink : public GpuCompositorFrameSink {
- public:
-  GpuOffscreenCompositorFrameSink(
-      DisplayCompositor* display_compositor,
-      const cc::FrameSinkId& frame_sink_id,
-      cc::mojom::MojoCompositorFrameSinkRequest request,
-      cc::mojom::MojoCompositorFrameSinkPrivateRequest private_request,
-      cc::mojom::MojoCompositorFrameSinkClientPtr client);
-
-  ~GpuOffscreenCompositorFrameSink() override;
-
- private:
-  mojo::Binding<cc::mojom::MojoCompositorFrameSink> binding_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuOffscreenCompositorFrameSink);
-};
-
-}  // namespace ui
-
-#endif  // SERVICES_UI_SURFACES_GPU_OFFSCREEN_COMPOSITOR_FRAME_SINK_H_