Call DidPostSwapBuffers and SwapBuffersComplete for browser software surface

content/browser/compositor/browser_compositor_output_surface.cc

Index: content/browser/compositor/browser_compositor_output_surface.cc
diff --git a/content/browser/compositor/browser_compositor_output_surface.cc b/content/browser/compositor/browser_compositor_output_surface.cc
index b1e550162f026e98b0046e7698517ba47579e7e8..0c650ca9f3e86b8a703216872fa02c1db8146877 100644
--- a/content/browser/compositor/browser_compositor_output_surface.cc
+++ b/content/browser/compositor/browser_compositor_output_surface.cc
@@ -68,14 +68,6 @@ bool BrowserCompositorOutputSurface::BindToClient(
   return true;
 }
 
-void BrowserCompositorOutputSurface::OnSwapBuffersComplete() {
-  // On Mac, delay acknowledging the swap to the output surface client until
-  // it has been drawn.
-#if !defined(OS_MACOSX)
-  cc::OutputSurface::OnSwapBuffersComplete();
-#endif
-}
-
 void BrowserCompositorOutputSurface::OnUpdateVSyncParameters(
     base::TimeTicks timebase,
     base::TimeDelta interval) {
@@ -96,10 +88,4 @@ void BrowserCompositorOutputSurface::SetReflector(ReflectorImpl* reflector) {
   reflector_ = reflector;
 }
 
-#if defined(OS_MACOSX)
-void BrowserCompositorOutputSurface::OnSurfaceDisplayed() {
-  cc::OutputSurface::OnSwapBuffersComplete();
-}
-#endif
-
 }  // namespace content