Moves ownership of the cc::Display's BeginFrameSource out of Display.

services/ui/surfaces/display_compositor.h

 // Copyright 2015 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_DISPLAY_COMPOSITOR_H_
 #define SERVICES_UI_SURFACES_DISPLAY_COMPOSITOR_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 15 matching lines @@
 #include "mojo/public/cpp/bindings/binding.h"
 
 namespace gpu {
 class GpuMemoryBufferManager;
 class ImageFactory;
 }
 
 namespace cc {
 class Display;
 class SurfaceManager;
+class SyntheticBeginFrameSource;
 }
 
 namespace ui {
 
 namespace test {
 class DisplayCompositorTest;
 }
 
 class DisplayCompositorClient;
 class GpuCompositorFrameSink;
@@ skipping 44 matching lines @@
       cc::mojom::MojoCompositorFrameSinkClientPtr client) override;
 
  private:
   friend class test::DisplayCompositorTest;
 
   void AddSurfaceReference(const cc::SurfaceReference& ref);
   void RemoveSurfaceReference(const cc::SurfaceReference& ref);
 
   std::unique_ptr<cc::Display> CreateDisplay(
       const cc::FrameSinkId& frame_sink_id,
-      gpu::SurfaceHandle surface_handle);
+      gpu::SurfaceHandle surface_handle,
+      cc::SyntheticBeginFrameSource* begin_frame_source);
 
   const cc::SurfaceId& GetRootSurfaceId() const;
 
   // cc::SurfaceObserver implementation.
   void OnSurfaceCreated(const cc::SurfaceId& surface_id,
                         const gfx::Size& frame_size,
                         float device_scale_factor) override;
   void OnSurfaceDamaged(const cc::SurfaceId& surface_id,
                         bool* changed) override;
 
@@ skipping 31 matching lines @@
 
   cc::mojom::DisplayCompositorClientPtr client_;
   mojo::Binding<cc::mojom::DisplayCompositor> binding_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayCompositor);
 };
 
 }  // namespace ui
 
 #endif  //  SERVICES_UI_SURFACES_DISPLAY_COMPOSITOR_H_