Clean up Mac swap acknowledgement code

ui/views/cocoa/bridged_native_widget.h

Index: ui/views/cocoa/bridged_native_widget.h
diff --git a/ui/views/cocoa/bridged_native_widget.h b/ui/views/cocoa/bridged_native_widget.h
index c184d9a98d630e726f516ae726c2f9e0e8b49e0a..90e85fc3e9e9afb3ddbec3c77cc5ddef77bb2408 100644
--- a/ui/views/cocoa/bridged_native_widget.h
+++ b/ui/views/cocoa/bridged_native_widget.h
@@ -235,12 +235,9 @@ class VIEWS_EXPORT BridgedNativeWidget
 
   // Overridden from ui::AcceleratedWidgetMac:
   NSView* AcceleratedWidgetGetNSView() const override;
-  bool AcceleratedWidgetShouldIgnoreBackpressure() const override;
   void AcceleratedWidgetGetVSyncParameters(
       base::TimeTicks* timebase, base::TimeDelta* interval) const override;
-  void AcceleratedWidgetSwapCompleted(
-      const std::vector<ui::LatencyInfo>& latency_info) override;
-  void AcceleratedWidgetHitError() override;
+  void AcceleratedWidgetSwapCompleted() override;
 
   // Overridden from BridgedNativeWidgetOwner:
   NSWindow* GetNSWindow() override;