Revert of Apply Referrer-Policy header when following redirects

net/url_request/url_request.cc

Index: net/url_request/url_request.cc
diff --git a/net/url_request/url_request.cc b/net/url_request/url_request.cc
index 0c1d5f4c197b9ffb799fff6bb274909163fd406d..7fac9c77caf2a50c1052cc72ac4880ea96dbac05 100644
--- a/net/url_request/url_request.cc
+++ b/net/url_request/url_request.cc
@@ -479,15 +479,6 @@
 
 void URLRequest::set_referrer_policy(ReferrerPolicy referrer_policy) {
   DCHECK(!is_pending_);
-  // External callers shouldn't be setting NO_REFERRER or
-  // ORIGIN. |referrer_policy_| is only applied during server redirects,
-  // so external callers must set the referrer themselves using
-  // SetReferrer() for the initial request. Once the referrer has been
-  // set to an origin or to an empty string, there is no point in
-  // setting the policy to NO_REFERRER or ORIGIN as it would have the
-  // same effect as using NEVER_CLEAR_REFERRER across redirects.
-  DCHECK_NE(referrer_policy, NO_REFERRER);
-  DCHECK_NE(referrer_policy, ORIGIN);
   referrer_policy_ = referrer_policy;
 }
 
@@ -987,7 +978,6 @@
   }
 
   referrer_ = redirect_info.new_referrer;
-  referrer_policy_ = redirect_info.new_referrer_policy;
   first_party_for_cookies_ = redirect_info.new_first_party_for_cookies;
   token_binding_referrer_ = redirect_info.referred_token_binding_host;