Replaces VideoLayer with a SurfaceLayer in WebMediaPlayerImpl

third_party/WebKit/Source/platform/graphics/SurfaceLayerBridge.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 SurfaceLayerBridge_h
+#define SurfaceLayerBridge_h
+
+#include <memory>
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "cc/surfaces/sequence_surface_reference_factory.h"
+#include "cc/surfaces/surface_id.h"
+#include "cc/surfaces/surface_reference_factory.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "platform/PlatformExport.h"
+#include "public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom-blink.h"
+
+namespace blink {
+
+class SurfaceLayerBridge
+    : public blink::mojom::blink::OffscreenCanvasSurfaceClient {
+ public:
+  SurfaceLayerBridge();
+  virtual ~SurfaceLayerBridge();
+
+  virtual void CreateSolidColorLayer() = 0;
+  virtual void SatisfyCallback(const cc::SurfaceSequence&) = 0;
+  virtual void RequireCallback(const cc::SurfaceId&,
+                               const cc::SurfaceSequence&) = 0;
+};
+
+class SequenceSurfaceReferenceFactoryImpl
+    : public cc::SequenceSurfaceReferenceFactory {
+ public:
+  SequenceSurfaceReferenceFactoryImpl(base::WeakPtr<SurfaceLayerBridge>);
+
+ private:
+  ~SequenceSurfaceReferenceFactoryImpl() override = default;
+
+  // cc::SequenceSurfaceReferenceFactory implementation:
+  void RequireSequence(const cc::SurfaceId&,
+                       const cc::SurfaceSequence&) const override;
+
+  void SatisfySequence(const cc::SurfaceSequence&) const override;
+
+  base::WeakPtr<SurfaceLayerBridge> bridge_;
+
+  DISALLOW_COPY_AND_ASSIGN(SequenceSurfaceReferenceFactoryImpl);
+};
+
+}  // namespace blink
+
+#endif  // SurfaceLayerBridge_h