cc: Get rid of PostSwapBuffersComplete.

content/browser/compositor/software_browser_compositor_output_surface.h

Index: content/browser/compositor/software_browser_compositor_output_surface.h
diff --git a/content/browser/compositor/software_browser_compositor_output_surface.h b/content/browser/compositor/software_browser_compositor_output_surface.h
index 2ef3159747dcabd7e52d3f9dead95fd09f4afcc7..0bb5da3e71630d4453a6afa3e2c858ab3114f1ef 100644
--- a/content/browser/compositor/software_browser_compositor_output_surface.h
+++ b/content/browser/compositor/software_browser_compositor_output_surface.h
@@ -27,7 +27,8 @@ class CONTENT_EXPORT SoftwareBrowserCompositorOutputSurface
   SoftwareBrowserCompositorOutputSurface(
       std::unique_ptr<cc::SoftwareOutputDevice> software_device,
       const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
-      cc::SyntheticBeginFrameSource* begin_frame_source);
+      cc::SyntheticBeginFrameSource* begin_frame_source,
+      scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
   ~SoftwareBrowserCompositorOutputSurface() override;
 
@@ -47,15 +48,13 @@ class CONTENT_EXPORT SoftwareBrowserCompositorOutputSurface
 
  private:
   // BrowserCompositorOutputSurface implementation.
-  void OnGpuSwapBuffersCompleted(
-      const std::vector<ui::LatencyInfo>& latency_info,
-      gfx::SwapResult result,
-      const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac) override;
-
 #if defined(OS_MACOSX)
   void SetSurfaceSuspendedForRecycle(bool suspended) override;
 #endif
 
+  void SwapBuffersCallback();
+
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   base::WeakPtrFactory<SoftwareBrowserCompositorOutputSurface> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SoftwareBrowserCompositorOutputSurface);