Remove Referrer Policy from URLFetcher.

net/url_request/url_fetcher_core.cc

Index: net/url_request/url_fetcher_core.cc
diff --git a/net/url_request/url_fetcher_core.cc b/net/url_request/url_fetcher_core.cc
index eb45ecf52e3755789f2d1fd2a2de27646d8cdc71..b3f742f6ba212ce35f1c915d301862c7c18f43dc 100644
--- a/net/url_request/url_fetcher_core.cc
+++ b/net/url_request/url_fetcher_core.cc
@@ -82,8 +82,6 @@ URLFetcherCore::URLFetcherCore(URLFetcher* fetcher,
       upload_content_set_(false),
       upload_range_offset_(0),
       upload_range_length_(0),
-      referrer_policy_(
-          URLRequest::CLEAR_REFERRER_ON_TRANSITION_FROM_SECURE_TO_INSECURE),
       is_chunked_upload_(false),
       was_cancelled_(false),
       stop_on_redirect_(false),
@@ -206,11 +204,6 @@ void URLFetcherCore::SetReferrer(const std::string& referrer) {
   referrer_ = referrer;
 }
 
-void URLFetcherCore::SetReferrerPolicy(
-    URLRequest::ReferrerPolicy referrer_policy) {
-  referrer_policy_ = referrer_policy;
-}
-
 void URLFetcherCore::SetExtraRequestHeaders(
     const std::string& extra_request_headers) {
   extra_request_headers_.Clear();
@@ -517,7 +510,6 @@ void URLFetcherCore::StartURLRequest() {
     request_->EnableChunkedUpload();
   request_->SetLoadFlags(flags);
   request_->SetReferrer(referrer_);
-  request_->set_referrer_policy(referrer_policy_);
   request_->set_first_party_for_cookies(first_party_for_cookies_.is_empty() ?
       original_url_ : first_party_for_cookies_);
   if (url_request_data_key_ && !url_request_create_data_callback_.is_null()) {