Use vsync manager regardless of begin frame settings

content/browser/renderer_host/delegated_frame_host.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_RENDERER_HOST_DELEGATED_FRAME_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 121 matching lines @@
   void SwapDelegatedFrame(uint32_t output_surface_id,
                           cc::CompositorFrame frame);
   void ClearDelegatedFrame();
   void WasHidden();
   void WasShown(const ui::LatencyInfo& latency_info);
   void WasResized();
   bool HasSavedFrame();
   gfx::Size GetRequestedRendererSize() const;
   void SetCompositor(ui::Compositor* compositor);
   void ResetCompositor();
-  void SetVSyncParameters(const base::TimeTicks& timebase,
-                          const base::TimeDelta& interval);
   // Note: |src_subset| is specified in DIP dimensions while |output_size|
   // expects pixels.
   void CopyFromCompositingSurface(const gfx::Rect& src_subrect,
                                   const gfx::Size& output_size,
                                   const ReadbackRequestCallback& callback,
                                   const SkColorType preferred_color_type);
   void CopyFromCompositingSurfaceToVideoFrame(
       const gfx::Rect& src_subrect,
       const scoped_refptr<media::VideoFrame>& target,
       const base::Callback<void(const gfx::Rect&, bool)>& callback);
@@ skipping 96 matching lines @@
 
   // Called to consult the current |frame_subscriber_|, to determine and maybe
   // initiate a copy-into-video-frame request.
   void AttemptFrameSubscriberCapture(const gfx::Rect& damage_rect);
 
   DelegatedFrameHostClient* const client_;
   ui::Compositor* compositor_;
 
   // The vsync manager we are observing for changes, if any.
   scoped_refptr<ui::CompositorVSyncManager> vsync_manager_;
+  bool using_begin_frame_scheduling_;
 
   // The current VSync timebase and interval. These are zero until the first
   // call to SetVSyncParameters().
   base::TimeTicks vsync_timebase_;
   base::TimeDelta vsync_interval_;
 
   // Overridable tick clock used for testing functions using current time.
   std::unique_ptr<base::TickClock> tick_clock_;
 
   // With delegated renderer, this is the last output surface, used to
@@ skipping 63 matching lines @@
   // YUV readback pipeline.
   std::unique_ptr<display_compositor::ReadbackYUVInterface>
       yuv_readback_pipeline_;
 
   std::unique_ptr<DelegatedFrameEvictor> delegated_frame_evictor_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_H_