Remove unused includes of //base/memory/ref_counted.h in //base

Bug: 242216
Change-Id: I1850490de968aa5dc6e47a53f50fb84195365427
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3584276
Reviewed-by: Lei Zhang <[email protected]>
Commit-Queue: Lei Zhang <[email protected]>
Cr-Commit-Position: refs/heads/main@{#991922}
diff --git a/base/supports_user_data.h b/base/supports_user_data.h
index 30159a95..4999a8b 100644
--- a/base/supports_user_data.h
+++ b/base/supports_user_data.h
@@ -9,7 +9,7 @@
 #include <memory>
 
 #include "base/base_export.h"
-#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_refptr.h"
 #include "base/sequence_checker.h"
 
 namespace base {