Use MojoCompositorFrameSink in RendererCompositorFrameSink

content/browser/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 {

[piman, 2017/04/10 23:35:57]

nit: should this be in content/browser/renderer_host?

[Saman Sami, 2017/04/11 00:09:52]

Yes.

+ public:
+  explicit FrameSinkProviderImpl(int32_t process_id);
+  ~FrameSinkProviderImpl() override;
+
+  void Bind(mojom::FrameSinkProviderRequest request);
+
+  // 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_