Revert "Use MojoCompositorFrameSink in RendererCompositorFrameSink"

content/browser/renderer_host/frame_sink_provider_impl.h

-// 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 CONTENT_BROWSER_RENDER_WIDGET_COMPOSITOR_FRAME_SINK_PROVIDER_H_
-#define CONTENT_BROWSER_RENDER_WIDGET_COMPOSITOR_FRAME_SINK_PROVIDER_H_
-
-#include "content/common/frame_sink_provider.mojom.h"
-#include "mojo/public/cpp/bindings/binding.h"
-
-namespace content {
-
-// This class lives in the browser and provides MojoCompositorFrameSink for the
-// renderer. To access this class in the renderer, call:
-// RenderThreadImpl::current()->GetFrameSinkProvider().
-class FrameSinkProviderImpl : public mojom::FrameSinkProvider {
- public:
-  explicit FrameSinkProviderImpl(int32_t process_id);
-  ~FrameSinkProviderImpl() override;
-
-  void Bind(mojom::FrameSinkProviderRequest request);
-  void Unbind();
-
-  // mojom::FrameSinkProvider implementation.
-  void CreateForWidget(
-      int32_t widget_id,
-      cc::mojom::MojoCompositorFrameSinkRequest request,
-      cc::mojom::MojoCompositorFrameSinkClientPtr client) override;
-
- private:
-  const int32_t process_id_;
-  mojo::Binding<mojom::FrameSinkProvider> binding_;
-
-  DISALLOW_COPY_AND_ASSIGN(FrameSinkProviderImpl);
-};
-
-}  // namespace content
-
-#endif  //  CONTENT_BROWSER_RENDER_WIDGET_COMPOSITOR_FRAME_SINK_PROVIDER_H_