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

ui/ozone/platform/dri/dri_gpu_platform_support.h

Index: ui/ozone/platform/dri/dri_gpu_platform_support.h
diff --git a/ui/ozone/platform/dri/dri_gpu_platform_support.h b/ui/ozone/platform/dri/dri_gpu_platform_support.h
index 0858fdc1653223e866e0c974f260493c0de97416..b92af748302a87bcd89f14d38af2d2da1cd366ee 100644
--- a/ui/ozone/platform/dri/dri_gpu_platform_support.h
+++ b/ui/ozone/platform/dri/dri_gpu_platform_support.h
@@ -15,6 +15,7 @@
 class SkBitmap;
 
 namespace base {
+class FileDescriptor;
 class FilePath;
 class SingleThreadTaskRunner;
 }
@@ -74,7 +75,8 @@ class DriGpuPlatformSupport : public GpuPlatformSupport {
   void OnDisableNativeDisplay(int64_t id);
   void OnTakeDisplayControl();
   void OnRelinquishDisplayControl();
-  void OnAddGraphicsDevice(const base::FilePath& path);
+  void OnAddGraphicsDevice(const base::FilePath& path,
+                           const base::FileDescriptor& fd);
   void OnRemoveGraphicsDevice(const base::FilePath& path);
 
   void SetIOTaskRunner(