Introduce FrameSinkManagerHost in content/browser/.

content/browser/renderer_host/compositor_impl_android.h

 // Copyright (c) 2012 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_COMPOSITOR_IMPL_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 26 matching lines @@
 class FrameSinkId;
 class Layer;
 class LayerTreeHost;
 class OutputSurface;
 class SurfaceManager;
 class VulkanContextProvider;
 }
 
 namespace content {
 class CompositorClient;
+class FrameSinkManagerHost;
 
 // -----------------------------------------------------------------------------
 // Browser-side compositor that manages a tree of content and UI layers.
 // -----------------------------------------------------------------------------
 class CONTENT_EXPORT CompositorImpl
     : public Compositor,
       public cc::LayerTreeHostClient,
       public cc::LayerTreeHostSingleThreadClient,
       public ui::UIResourceProvider,
       public ui::WindowAndroidCompositor {
  public:
   CompositorImpl(CompositorClient* client, gfx::NativeWindow root_window);
   ~CompositorImpl() override;
 
   static bool IsInitialized();
 
   static cc::SurfaceManager* GetSurfaceManager();
+  static FrameSinkManagerHost* GetFrameSinkManagerHost();
   static cc::FrameSinkId AllocateFrameSinkId();
 
   // ui::ResourceProvider implementation.
   cc::UIResourceId CreateUIResource(cc::UIResourceClient* client) override;
   void DeleteUIResource(cc::UIResourceId resource_id) override;
   bool SupportsETC1NonPowerOfTwo() const override;
 
  private:
   // Compositor implementation.
   void SetRootLayer(scoped_refptr<cc::Layer> root) override;
@@ skipping 107 matching lines @@
   std::unordered_set<cc::FrameSinkId, cc::FrameSinkIdHash>
       pending_child_frame_sink_ids_;
   base::WeakPtrFactory<CompositorImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorImpl);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_