Fix OnceCallback support of base::ResetAndReturn

base/callback_helpers.h

Index: base/callback_helpers.h
diff --git a/base/callback_helpers.h b/base/callback_helpers.h
index 5bac0d62f7d2b0eecf99a13c7abc4d9f3b3aa218..ec3d6cbf168140766f710527a297c7b44a03efce 100644
--- a/base/callback_helpers.h
+++ b/base/callback_helpers.h
@@ -25,8 +25,8 @@ template <typename Signature,
           internal::RepeatMode repeat_mode>
 base::Callback<Signature, copy_mode, repeat_mode> ResetAndReturn(
     base::Callback<Signature, copy_mode, repeat_mode>* cb) {
-  base::Callback<Signature, copy_mode, repeat_mode> ret(*cb);
-  cb->Reset();
+  base::Callback<Signature, copy_mode, repeat_mode> ret(std::move(*cb));
+  DCHECK(!*cb);
   return ret;
 }