[ABANDONED] Revert of Change exo::SurfaceFactoryOwner to exo::ExoCompositorFrameSink

components/exo/compositor_frame_sink_holder.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 COMPONENTS_EXO_COMPOSITOR_FRAME_SINK_HOLDER_H_
-#define COMPONENTS_EXO_COMPOSITOR_FRAME_SINK_HOLDER_H_
-
-#include <list>
-#include <map>
-#include <memory>
-
-#include "cc/ipc/mojo_compositor_frame_sink.mojom.h"
-#include "cc/resources/single_release_callback.h"
-#include "cc/resources/transferable_resource.h"
-#include "cc/scheduler/begin_frame_source.h"
-#include "components/exo/compositor_frame_sink.h"
-#include "components/exo/surface_observer.h"
-#include "mojo/public/cpp/bindings/binding.h"
-
-namespace exo {
-class Surface;
-
-// This class talks to MojoCompositorFrameSink and keeps track of references to
-// the contents of Buffers. It's keeped alive by references from
-// release_callbacks_. It's destroyed when its owning Surface is destroyed and
-// the last outstanding release callback is called.
-class CompositorFrameSinkHolder
-    : public base::RefCounted<CompositorFrameSinkHolder>,
-      public cc::ExternalBeginFrameSourceClient,
-      public cc::mojom::MojoCompositorFrameSinkClient,
-      public cc::BeginFrameObserver,
-      public SurfaceObserver {
- public:
-  CompositorFrameSinkHolder(
-      Surface* surface,
-      std::unique_ptr<CompositorFrameSink> frame_sink,
-      cc::mojom::MojoCompositorFrameSinkClientRequest request);
-
-  bool HasReleaseCallbackForResource(cc::ResourceId id);
-  void AddResourceReleaseCallback(
-      cc::ResourceId id,
-      std::unique_ptr<cc::SingleReleaseCallback> callback);
-
-  CompositorFrameSink* GetCompositorFrameSink() { return frame_sink_.get(); }
-
-  base::WeakPtr<CompositorFrameSinkHolder> GetWeakPtr() {
-    return weak_factory_.GetWeakPtr();
-  }
-
-  using FrameCallback = base::Callback<void(base::TimeTicks frame_time)>;
-  void ActivateFrameCallbacks(std::list<FrameCallback>* frame_callbacks);
-  void CancelFrameCallbacks();
-
-  void SetNeedsBeginFrame(bool needs_begin_frame);
-
-  void Satisfy(const cc::SurfaceSequence& sequence);
-  void Require(const cc::SurfaceId& id, const cc::SurfaceSequence& sequence);
-
-  // Overridden from cc::mojom::MojoCompositorFrameSinkClient:
-  void DidReceiveCompositorFrameAck() override;
-  void OnBeginFrame(const cc::BeginFrameArgs& args) override;
-  void ReclaimResources(const cc::ReturnedResourceArray& resources) override;
-  void WillDrawSurface() override;
-
-  // Overridden from cc::BeginFrameObserver:
-  const cc::BeginFrameArgs& LastUsedBeginFrameArgs() const override;
-  void OnBeginFrameSourcePausedChanged(bool paused) override;
-
-  // Overridden from cc::ExternalBeginFrameSouceClient:
-  void OnNeedsBeginFrames(bool needs_begin_frames) override;
-
-  // Overridden from SurfaceObserver:
-  void OnSurfaceDestroying(Surface* surface) override;
-
- private:
-  friend class base::RefCounted<CompositorFrameSinkHolder>;
-
-  ~CompositorFrameSinkHolder() override;
-
-  void UpdateNeedsBeginFrame();
-
-  // Each release callback holds a reference to the CompositorFrameSinkHolder
-  // itself to keep it alive. Running and erasing the callbacks might result in
-  // the instance being destroyed. Therefore, we should not access any member
-  // variables after running and erasing the callbacks.
-  using ResourceReleaseCallbackMap =
-      std::map<int,
-               std::pair<scoped_refptr<CompositorFrameSinkHolder>,
-                         std::unique_ptr<cc::SingleReleaseCallback>>>;
-  ResourceReleaseCallbackMap release_callbacks_;
-
-  Surface* surface_;
-  std::unique_ptr<CompositorFrameSink> frame_sink_;
-
-  std::list<FrameCallback> active_frame_callbacks_;
-  std::unique_ptr<cc::ExternalBeginFrameSource> begin_frame_source_;
-  bool needs_begin_frame_ = false;
-  cc::BeginFrameArgs last_begin_frame_args_;
-  mojo::Binding<cc::mojom::MojoCompositorFrameSinkClient> binding_;
-
-  base::WeakPtrFactory<CompositorFrameSinkHolder> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(CompositorFrameSinkHolder);
-};
-
-}  // namespace exo
-
-#endif  // COMPONENTS_EXO_COMPOSITOR_FRAME_SINK_HOLDER_H_