gpu: Add CHROMIUM_copy_image extension.

ui/ozone/platform/drm/gpu/gbm_surfaceless.h

Index: ui/ozone/platform/drm/gpu/gbm_surfaceless.h
diff --git a/ui/ozone/platform/drm/gpu/gbm_surfaceless.h b/ui/ozone/platform/drm/gpu/gbm_surfaceless.h
index 303ededa7da6fb082c8c418a431e7cd5bea6cfd6..895133fbf1e44584072f50b0667b3ab60796931f 100644
--- a/ui/ozone/platform/drm/gpu/gbm_surfaceless.h
+++ b/ui/ozone/platform/drm/gpu/gbm_surfaceless.h
@@ -76,9 +76,7 @@ class GbmSurfaceless : public gl::SurfacelessEGL {
   };
 
   void SubmitFrame();
-
-  EGLSyncKHR InsertFence(bool implicit);
-  void FenceRetired(EGLSyncKHR fence, PendingFrame* frame);
+  void FrameReady(PendingFrame* frame);
 
   void SwapCompleted(const SwapCompletionCallback& callback,
                      gfx::SwapResult result);