Work around Mac OS 10.9 window server synchronization bug.

content/browser/renderer_host/compositing_iosurface_mac.mm

 // Copyright (c) 2012 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 "content/browser/renderer_host/compositing_iosurface_mac.h"
 
 #include <OpenGL/CGLRenderers.h>
 #include <OpenGL/OpenGL.h>
 
 #include "base/bind.h"
@@ skipping 432 matching lines @@
   if (!initialized_workaround) {
     force_on_workaround = CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kForceGLFinishWorkaround);
     force_off_workaround = CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kDisableGpuDriverBugWorkarounds);
 
     initialized_workaround = true;
   }
 
   const bool workaround_needed =
-      drawing_context->IsVendorIntel() && !base::mac::IsOSMountainLionOrLater();
+      drawing_context->IsVendorIntel() &&
+      (!base::mac::IsOSMountainLionOrLater() || base::mac::IsOSMavericks());
   const bool use_glfinish_workaround =
       (workaround_needed || force_on_workaround) && !force_off_workaround;
 
   if (use_glfinish_workaround) {
     TRACE_EVENT0("gpu", "glFinish");
     // http://crbug.com/123409 : work around bugs in graphics driver on
     // MacBook Air with Intel HD graphics, and possibly on other models,
     // by forcing the graphics pipeline to be completely drained at this
-    // point.
-    // This workaround is not necessary on Mountain Lion.
+    // point. This workaround is not necessary on Mountain Lion.
+    // http://crbug.com/318877 : work around a bug where the window does
+    // not finish rendering its contents before displaying them on Mavericks
+    // on Retina MacBook Pro when using the Intel HD graphics GPU.
     glFinish();
   }
 
   base::Closure copy_done_callback;
   if (frame_subscriber) {
     const base::Time present_time = base::Time::Now();
     scoped_refptr<media::VideoFrame> frame;
     RenderWidgetHostViewFrameSubscriber::DeliverFrameCallback callback;
     if (frame_subscriber->ShouldCaptureFrame(present_time, &frame, &callback)) {
       copy_done_callback = CopyToVideoFrameWithinContext(
@@ skipping 562 matching lines @@
 }
 
 GLenum CompositingIOSurfaceMac::GetAndSaveGLError() {
   GLenum gl_error = glGetError();
   if (gl_error_ == GL_NO_ERROR)
     gl_error_ = gl_error;
   return gl_error;
 }
 
 }  // namespace content