[8/8][Ozone-Dri] Pass DRM FD to GPU process on hotplug event

ui/ozone/platform/dri/native_display_delegate_proxy.h

Index: ui/ozone/platform/dri/native_display_delegate_proxy.h
diff --git a/ui/ozone/platform/dri/native_display_delegate_proxy.h b/ui/ozone/platform/dri/native_display_delegate_proxy.h
index a4dbf0669fe3f3cee8b7ee7fb146b6b972427835..70f1e8fedb51cd32b7d2de347a99a66d3fe68065 100644
--- a/ui/ozone/platform/dri/native_display_delegate_proxy.h
+++ b/ui/ozone/platform/dri/native_display_delegate_proxy.h
@@ -7,6 +7,7 @@
 
 #include <map>
 
+#include "base/files/file.h"
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "base/observer_list.h"
@@ -74,6 +75,8 @@ class NativeDisplayDelegateProxy : public NativeDisplayDelegate,
       const std::vector<DisplaySnapshot_Params>& displays);
   void OnDisplayConfigured(int64_t display_id, bool status);
 
+  void OnNewGraphicsDevice(const base::FilePath& path, base::File file);
+
   DriGpuPlatformSupportHost* proxy_;  // Not owned.
   DeviceManager* device_manager_;     // Not owned.
   DisplayManager* display_manager_;   // Not owned.
@@ -90,6 +93,8 @@ class NativeDisplayDelegateProxy : public NativeDisplayDelegate,
   // Map between display_id and the configuration callback.
   std::map<int64_t, ConfigureCallback> configure_callback_map_;
 
+  base::WeakPtrFactory<NativeDisplayDelegateProxy> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(NativeDisplayDelegateProxy);
 };