PlzNavigate: sanitize the referrer in NavigationRequest

content/shell/browser/shell_network_delegate.cc

 // Copyright 2013 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 "content/shell/browser/shell_network_delegate.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "content/public/common/content_switches.h"
 #include "net/base/net_errors.h"
 #include "net/base/static_cookie_policy.h"
 #include "net/url_request/url_request.h"
 
 namespace content {
 
 namespace {
 bool g_block_third_party_cookies = false;
+bool g_cancel_requests_with_referrer_policy_violation = false;
 }
 
 ShellNetworkDelegate::ShellNetworkDelegate() {
 }
 
 ShellNetworkDelegate::~ShellNetworkDelegate() {
 }
 
 void ShellNetworkDelegate::SetBlockThirdPartyCookies(bool block) {
   g_block_third_party_cookies = block;
 }
 
+void ShellNetworkDelegate::SetCancelURLRequestWithPolicyViolatingReferrerHeader(
+    bool cancel) {
+  g_cancel_requests_with_referrer_policy_violation = cancel;
+}
+
 int ShellNetworkDelegate::OnBeforeURLRequest(
     net::URLRequest* request,
     const net::CompletionCallback& callback,
     GURL* new_url) {
   return net::OK;
 }
 
 int ShellNetworkDelegate::OnBeforeStartTransaction(
     net::URLRequest* request,
     const net::CompletionCallback& callback,
@@ skipping 66 matching lines @@
 bool ShellNetworkDelegate::OnCanAccessFile(const net::URLRequest& request,
                                            const base::FilePath& path) const {
   return true;
 }
 
 bool ShellNetworkDelegate::OnAreExperimentalCookieFeaturesEnabled() const {
   return base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableExperimentalWebPlatformFeatures);
 }
 
+bool ShellNetworkDelegate::OnCancelURLRequestWithPolicyViolatingReferrerHeader(
+    const net::URLRequest& request,
+    const GURL& target_url,
+    const GURL& referrer_url) const {
+  return g_cancel_requests_with_referrer_policy_violation;
+}
+
 }  // namespace content