Convert offscreen canvas to use FrameSinkManagerHost.

content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.h

-// 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 CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_COMPOSITOR_FRAME_SINK_H_
-#define CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_COMPOSITOR_FRAME_SINK_H_
-
-#include "cc/ipc/compositor_frame.mojom.h"
-#include "cc/ipc/mojo_compositor_frame_sink.mojom.h"
-#include "cc/resources/transferable_resource.h"
-#include "cc/surfaces/compositor_frame_sink_support.h"
-#include "cc/surfaces/compositor_frame_sink_support_client.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-
-namespace content {
-
-class OffscreenCanvasCompositorFrameSinkProviderImpl;
-
-class OffscreenCanvasCompositorFrameSink
-    : public cc::CompositorFrameSinkSupportClient,
-      public cc::mojom::MojoCompositorFrameSink {
- public:
-  OffscreenCanvasCompositorFrameSink(
-      OffscreenCanvasCompositorFrameSinkProviderImpl* provider,
-      const cc::FrameSinkId& frame_sink_id,
-      cc::mojom::MojoCompositorFrameSinkRequest request,
-      cc::mojom::MojoCompositorFrameSinkClientPtr client);
-
-  ~OffscreenCanvasCompositorFrameSink() override;
-
-  // Overridden from cc::mojom::MojoCompositorFrameSink:
-  void SetNeedsBeginFrame(bool needs_begin_frame) override;
-  void SubmitCompositorFrame(const cc::LocalSurfaceId& local_surface_id,
-                             cc::CompositorFrame frame) override;
-  void BeginFrameDidNotSwap(const cc::BeginFrameAck& begin_frame_ack) override;
-  void EvictFrame() override;
-
-  // Overridden from cc::CompositorFrameSinkSupportClient:
-  void DidReceiveCompositorFrameAck(
-      const cc::ReturnedResourceArray& resources) override;
-  void OnBeginFrame(const cc::BeginFrameArgs& args) override;
-  void ReclaimResources(const cc::ReturnedResourceArray& resources) override;
-  void WillDrawSurface(const cc::LocalSurfaceId& local_surface_id,
-                       const gfx::Rect& damage_rect) override;
-
- private:
-  void OnClientConnectionLost();
-
-  OffscreenCanvasCompositorFrameSinkProviderImpl* const provider_;
-
-  std::unique_ptr<cc::CompositorFrameSinkSupport> support_;
-  cc::mojom::MojoCompositorFrameSinkClientPtr client_;
-  cc::ReturnedResourceArray surface_returned_resources_;
-  mojo::Binding<cc::mojom::MojoCompositorFrameSink> binding_;
-
-  DISALLOW_COPY_AND_ASSIGN(OffscreenCanvasCompositorFrameSink);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_COMPOSITOR_FRAME_SINK_H_