Decouple GpuCompositorFrameSink from DisplayCompositor

services/ui/surfaces/gpu_display_compositor_frame_sink.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 SERVICES_UI_SURFACES_GPU_DISPLAY_COMPOSITOR_FRAME_SINK_H_
 #define SERVICES_UI_SURFACES_GPU_DISPLAY_COMPOSITOR_FRAME_SINK_H_
 
 #include "mojo/public/cpp/bindings/associated_binding.h"
 #include "services/ui/surfaces/gpu_compositor_frame_sink.h"
 
 namespace ui {
 
 class GpuDisplayCompositorFrameSink : public GpuCompositorFrameSink,
                                       public cc::mojom::DisplayPrivate {
  public:
   GpuDisplayCompositorFrameSink(
-      DisplayCompositor* display_compositor,
+      cc::CompositorFrameSinkDelegate* delegate,
+      cc::SurfaceManager* surface_manager,
       const cc::FrameSinkId& frame_sink_id,
       std::unique_ptr<cc::Display> display,
       std::unique_ptr<cc::BeginFrameSource> begin_frame_source,
       cc::mojom::MojoCompositorFrameSinkAssociatedRequest request,
       cc::mojom::MojoCompositorFrameSinkPrivateRequest private_request,
       cc::mojom::MojoCompositorFrameSinkClientPtr client,
       cc::mojom::DisplayPrivateAssociatedRequest display_private_request);
 
   ~GpuDisplayCompositorFrameSink() override;
 
   // cc::mojom::DisplayPrivate:
   void SetDisplayVisible(bool visible) override;
   void ResizeDisplay(const gfx::Size& size) override;
   void SetDisplayColorSpace(const gfx::ColorSpace& color_space) override;
   void SetOutputIsSecure(bool secure) override;
 
  private:
   mojo::AssociatedBinding<cc::mojom::MojoCompositorFrameSink> binding_;
   mojo::AssociatedBinding<cc::mojom::DisplayPrivate> display_private_binding_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDisplayCompositorFrameSink);
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_SURFACES_GPU_DISPLAY_COMPOSITOR_FRAME_SINK_H_