Call DidPostSwapBuffers and SwapBuffersComplete for browser software surface

content/browser/compositor/gpu_browser_compositor_output_surface.cc

Index: content/browser/compositor/gpu_browser_compositor_output_surface.cc
diff --git a/content/browser/compositor/gpu_browser_compositor_output_surface.cc b/content/browser/compositor/gpu_browser_compositor_output_surface.cc
index efa805261e9d914d261aeaf5d7f46b7119ce8646..5f647626b27bae299a8a61158a096ed07579c17d 100644
--- a/content/browser/compositor/gpu_browser_compositor_output_surface.cc
+++ b/content/browser/compositor/gpu_browser_compositor_output_surface.cc
@@ -48,4 +48,18 @@ void GpuBrowserCompositorOutputSurface::SwapBuffers(
   OutputSurface::SwapBuffers(frame);
 }
 
+void GpuBrowserCompositorOutputSurface::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
+}
+
+#if defined(OS_MACOSX)
+void GpuBrowserCompositorOutputSurface::OnSurfaceDisplayed() {
+  cc::OutputSurface::OnSwapBuffersComplete();

[danakj, 2014/10/08 19:32:29]

you could just call OnSwapBuffersComplete (no class name)?

[no sievers, 2014/10/08 19:59:00]

Then it would call the above and not do anything for Mac.
I'll be moving this to the base class though anyways with another patch (where
it also gets the latency info).

+}
+#endif
+
 }  // namespace content