gpu: Take surface handle into account when importing buffers.

ui/ozone/platform/drm/gpu/drm_device_manager.cc

Index: ui/ozone/platform/drm/gpu/drm_device_manager.cc
diff --git a/ui/ozone/platform/drm/gpu/drm_device_manager.cc b/ui/ozone/platform/drm/gpu/drm_device_manager.cc
index 27d98f926fc0332fb46b361ea8d2182570cd1541..afd6660d34b622ecefc29d1590d56652e1fc1db5 100644
--- a/ui/ozone/platform/drm/gpu/drm_device_manager.cc
+++ b/ui/ozone/platform/drm/gpu/drm_device_manager.cc
@@ -90,12 +90,12 @@ scoped_refptr<DrmDevice> DrmDeviceManager::GetDrmDevice(
     return primary_device_;
 
   auto it = drm_device_map_.find(widget);
-  DCHECK(it != drm_device_map_.end())
+  DLOG_IF(WARNING, it == drm_device_map_.end())
       << "Attempting to get device for unknown widget " << widget;
   // If the widget isn't associated with a display (headless mode) we can
   // allocate buffers from any controller since they will never be scanned out.
   // Use the primary DRM device as a fallback when allocating these buffers.
-  if (!it->second)
+  if (it == drm_device_map_.end() || !it->second)
     return primary_device_;
 
   return it->second;