Adding status to swap complete

ui/ozone/demo/surfaceless_gl_renderer.cc

 // 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.
 
 #include "ui/ozone/demo/surfaceless_gl_renderer.h"
 
 #include "base/bind.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_image.h"
@@ skipping 85 matching lines @@
 }
 
 bool SurfacelessGlRenderer::Initialize() {
   if (!GlRenderer::Initialize())
     return false;
 
   for (size_t i = 0; i < arraysize(buffers_); ++i)
     if (!buffers_[i].Initialize(buffer_factory_, widget_, size_))
       return false;
 
-  PostRenderFrameTask();
+  PostRenderFrameTask(gfx::SwapResult::SWAP_ACK);
   return true;
 }
 
 void SurfacelessGlRenderer::RenderFrame() {
   float fraction = NextFraction();
 
   context_->MakeCurrent(surface_.get());
   buffers_[back_buffer_].BindFramebuffer();
 
   glViewport(0, 0, size_.width(), size_.height());
   glClearColor(1 - fraction, fraction, 0.0, 1.0);
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
   buffers_[back_buffer_].SchedulePlane();
   back_buffer_ ^= 1;
   if (!surface_->SwapBuffersAsync(base::Bind(&GlRenderer::PostRenderFrameTask,
                                              weak_ptr_factory_.GetWeakPtr())))
     LOG(FATAL) << "Failed to swap buffers";
 }
 
 scoped_refptr<gfx::GLSurface> SurfacelessGlRenderer::CreateSurface() {
   return gfx::GLSurface::CreateSurfacelessViewGLSurface(widget_);
 }
 
 }  // namespace ui