Mus: Install SwapBuffersCompleted/VSync callbacks to DirectOutputSurface(Ozone)

services/ui/surfaces/direct_output_surface_ozone.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 SERVICES_UI_SURFACES_DIRECT_OUTPUT_SURFACE_OZONE_H_
 #define SERVICES_UI_SURFACES_DIRECT_OUTPUT_SURFACE_OZONE_H_
 
 #include <memory>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 51 matching lines @@
                bool has_alpha) override;
   void SwapBuffers(cc::OutputSurfaceFrame frame) override;
   uint32_t GetFramebufferCopyTextureFormat() override;
   cc::OverlayCandidateValidator* GetOverlayCandidateValidator() const override;
   bool IsDisplayedAsOverlayPlane() const override;
   unsigned GetOverlayTextureId() const override;
   bool SurfaceIsSuspendForRecycle() const override;
   bool HasExternalStencilTest() const override;
   void ApplyExternalStencil() override;
 
-  // Taken from BrowserCompositor specific API.
-  void OnUpdateVSyncParametersFromGpu(base::TimeTicks timebase,
-                                      base::TimeDelta interval);
-
   // Called when a swap completion is signaled from ImageTransportSurface.
   void OnGpuSwapBuffersCompleted(
       const std::vector<ui::LatencyInfo>& latency_info,
       gfx::SwapResult result,
       const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac);
+  void OnVSyncParametersUpdated(base::TimeTicks timebase,
+                                base::TimeDelta interval);
 
   cc::OutputSurfaceClient* client_ = nullptr;
 
   display_compositor::GLHelper gl_helper_;
   std::unique_ptr<display_compositor::BufferQueue> buffer_queue_;
   cc::SyntheticBeginFrameSource* const synthetic_begin_frame_source_;
 
   gfx::Size reshape_size_;
   gfx::Size swap_size_;
 
   base::WeakPtrFactory<DirectOutputSurfaceOzone> weak_ptr_factory_;
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_SURFACES_DIRECT_OUTPUT_SURFACE_OZONE_H_