Fixing Display Mirror Mode issue

content/browser/compositor/gpu_process_transport_factory.cc

Index: content/browser/compositor/gpu_process_transport_factory.cc
diff --git a/content/browser/compositor/gpu_process_transport_factory.cc b/content/browser/compositor/gpu_process_transport_factory.cc
index 50a66bbc1f97095b492a49ac2d931bc6377f2255..aab05cda781097b50f223cfe6ff051c465db9132 100644
--- a/content/browser/compositor/gpu_process_transport_factory.cc
+++ b/content/browser/compositor/gpu_process_transport_factory.cc
@@ -570,6 +570,10 @@ void GpuProcessTransportFactory::EstablishedGpuChannel(
     }
   }
 
+  data->display_output_surface = display_output_surface.get();
+  if (data->reflector)
+    data->reflector->OnSourceSurfaceReady(data->display_output_surface);
+
   std::unique_ptr<cc::SyntheticBeginFrameSource> synthetic_begin_frame_source;
   std::unique_ptr<GpuVSyncBeginFrameSource> gpu_vsync_begin_frame_source;
 
@@ -595,9 +599,6 @@ void GpuProcessTransportFactory::EstablishedGpuChannel(
     }
   }
 
-  if (data->reflector)
-    data->reflector->OnSourceSurfaceReady(data->display_output_surface);
-
 #if defined(OS_WIN)
   gfx::RenderingWindowManager::GetInstance()->DoSetParentOnChild(
       compositor->widget());