Use vsync manager regardless of begin frame settings

content/browser/compositor/browser_compositor_output_surface.h

 // Copyright 2014 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_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
 #define CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
 
 #include "base/macros.h"
 #include "base/threading/non_thread_safe.h"
 #include "build/build_config.h"
@@ skipping 17 matching lines @@
 namespace gpu {
 struct GpuProcessHostedCALayerTreeParamsMac;
 }
 
 namespace content {
 class ContextProviderCommandBuffer;
 class ReflectorImpl;
 class WebGraphicsContext3DCommandBufferImpl;
 
 class CONTENT_EXPORT BrowserCompositorOutputSurface
-    : public cc::OutputSurface,
-      public ui::CompositorVSyncManager::Observer {
+    : public cc::OutputSurface {
  public:
   ~BrowserCompositorOutputSurface() override;
 
   // cc::OutputSurface implementation.
-  bool BindToClient(cc::OutputSurfaceClient* client) override;
   cc::OverlayCandidateValidator* GetOverlayCandidateValidator() const override;
 
-  // ui::CompositorVSyncManager::Observer implementation.
-  void OnUpdateVSyncParameters(base::TimeTicks timebase,
-                               base::TimeDelta interval) override;
-
   void OnUpdateVSyncParametersFromGpu(base::TimeTicks timebase,
                                       base::TimeDelta interval);
 
   void SetReflector(ReflectorImpl* reflector);
 
   // Called when |reflector_| was updated.
   virtual void OnReflectorChanged();
 
   // Called when a swap completion is sent from the GPU process.
   // The argument |params_mac| is used to communicate parameters needed on Mac
@@ skipping 27 matching lines @@
   // Constructor used by the Vulkan implementation.
   BrowserCompositorOutputSurface(
       const scoped_refptr<cc::VulkanContextProvider>& vulkan_context_provider,
       const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
       cc::SyntheticBeginFrameSource* begin_frame_source);
 
   scoped_refptr<ui::CompositorVSyncManager> vsync_manager_;
   cc::SyntheticBeginFrameSource* synthetic_begin_frame_source_;
   ReflectorImpl* reflector_;
 
-  // True when BeginFrame scheduling is enabled.
-  bool use_begin_frame_scheduling_;
-
  private:
   void Initialize();
 
-  void UpdateVSyncParametersInternal(base::TimeTicks timebase,
-                                     base::TimeDelta interval);
-
   std::unique_ptr<display_compositor::CompositorOverlayCandidateValidator>
       overlay_candidate_validator_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserCompositorOutputSurface);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_