content: Move Surfaces related code out of RWHVA.

content/browser/renderer_host/delegated_frame_host_android.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_DELEGATED_FRAME_HOST_ANDROID_H_
+#define CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_ANDROID_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "cc/resources/returned_resource.h"
+#include "cc/surfaces/surface_factory.h"
+#include "cc/surfaces/surface_factory_client.h"
+#include "ui/gfx/selection_bound.h"
+
+namespace cc {
+
+class CompositorFrame;
+class SurfaceId;
+class SurfaceManager;
+class SurfaceLayer;
+class SurfaceIdAllocator;
+enum class SurfaceDrawStatus;
+
+}  // namespace cc
+
+namespace content {
+
+class DelegatedFrameHostAndroidClient {
+ public:
+  virtual ~DelegatedFrameHostAndroidClient() {}
+
+  virtual void AttachSurfaceLayer(scoped_refptr<cc::SurfaceLayer> layer) = 0;
+
+  virtual void DetachSurfaceLayer() = 0;
+
+  virtual void ReturnCompositorFrameResources(
+      const cc::ReturnedResourceArray& resources) = 0;
+};
+
+class DelegatedFrameHostAndroid : public cc::SurfaceFactoryClient {
+ public:
+  DelegatedFrameHostAndroid(
+      cc::SurfaceManager* surface_manager,
+      std::unique_ptr<cc::SurfaceIdAllocator> surface_id_allocator,
+      DelegatedFrameHostAndroidClient* client);
+
+  ~DelegatedFrameHostAndroid();
+
+  void SubmitCompositorFrame(cc::CompositorFrame frame,
+                             cc::SurfaceFactory::DrawCallback draw_callback);
+
+  bool HasDelegatedContent() const;
+
+  void DestroyDelegatedContent();
+
+  uint32_t GetSurfaceIdNamespace();
+
+ private:
+  // cc::SurfaceFactoryClient implementation.
+  void ReturnResources(const cc::ReturnedResourceArray& resources) override;
+  void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override;
+
+  scoped_refptr<cc::SurfaceLayer> CreateSurfaceLayer();
+
+  cc::SurfaceManager* surface_manager_;
+  std::unique_ptr<cc::SurfaceIdAllocator> surface_id_allocator_;
+  std::unique_ptr<cc::SurfaceFactory> surface_factory_;
+  cc::SurfaceId surface_id_;
+  gfx::Size current_surface_size_;
+
+  gfx::Vector2dF location_bar_content_translation_;
+  cc::Selection<gfx::SelectionBound> current_viewport_selection_;
+
+  DelegatedFrameHostAndroidClient* client_;
+
+  DISALLOW_COPY_AND_ASSIGN(DelegatedFrameHostAndroid);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_ANDROID_H_