Move handling of invalid referrer to the network delegate

net/base/network_delegate.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/base/network_delegate.h"
 
 #include "base/logging.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/proxy/proxy_info.h"
@@ skipping 148 matching lines @@
   return OnCanThrottleRequest(request);
 }
 
 bool NetworkDelegate::CanEnablePrivacyMode(
     const GURL& url,
     const GURL& first_party_for_cookies) const {
   DCHECK(CalledOnValidThread());
   return OnCanEnablePrivacyMode(url, first_party_for_cookies);
 }
 
+bool NetworkDelegate::CancelURLRequestWithPolicyViolatingReferrerHeader(
+    const URLRequest& request,
+    const GURL& target_url,
+    const GURL& referrer_url) const {
+  DCHECK(CalledOnValidThread());
+  return OnCancelURLRequestWithPolicyViolatingReferrerHeader(
+      request, target_url, referrer_url);
+}
+
 int NetworkDelegate::OnBeforeURLRequest(URLRequest* request,
                                         const CompletionCallback& callback,
                                         GURL* new_url) {
   return OK;
 }
 
 void NetworkDelegate::OnResolveProxy(
     const GURL& url,
     int load_flags,
     const ProxyService& proxy_service,
@@ skipping 83 matching lines @@
     const GURL& first_party_for_cookies) const {
   return false;
 }
 
 int NetworkDelegate::OnBeforeSocketStreamConnect(
     SocketStream* socket,
     const CompletionCallback& callback) {
   return OK;
 }
 
+bool NetworkDelegate::OnCancelURLRequestWithPolicyViolatingReferrerHeader(
+    const URLRequest& request,
+    const GURL& target_url,
+    const GURL& referrer_url) const {
+  return false;
+}
+
 }  // namespace net