http2: use args.This() instead of args.Holder()

args.Holder() has been removed in newer version of V8.

PR-URL: #58004
Reviewed-By: Tim Perry <pimterry@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>

Author: joyeecheung

src/node_http2.cc

@@ -770,7 +770,7 @@ void Http2Stream::EmitStatistics() {
 
 void Http2Session::HasPendingData(const FunctionCallbackInfo<Value>& args) {
   Http2Session* session;
-  ASSIGN_OR_RETURN_UNWRAP(&session, args.Holder());
+  ASSIGN_OR_RETURN_UNWRAP(&session, args.This());
   args.GetReturnValue().Set(session->HasPendingData());
 }
 
@@ -3580,7 +3580,7 @@ void Initialize(Local<Object> target,
 
 void Http2Session::SetGracefulClose(const FunctionCallbackInfo<Value>& args) {
   Http2Session* session;
-  ASSIGN_OR_RETURN_UNWRAP(&session, args.Holder());
+  ASSIGN_OR_RETURN_UNWRAP(&session, args.This());
   CHECK_NOT_NULL(session);
   // Set the graceful close flag
   session->SetGracefulCloseInitiated(true);