Sanitize https:// URLs before sending them to PAC scripts.

chrome/browser/net/proxy_service_factory.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 "chrome/browser/net/proxy_service_factory.h"
 
 #include <stddef.h>
 #include <string>
 #include <utility>
 
@@ skipping 173 matching lines @@
           std::move(dhcp_proxy_script_fetcher), context->host_resolver(),
           net_log, network_delegate);
     }
   } else {
     proxy_service = net::ProxyService::CreateUsingSystemProxyResolver(
         std::move(proxy_config_service), num_pac_threads, net_log);
   }
 
   proxy_service->set_quick_check_enabled(quick_check_enabled);
 
+  if (command_line.HasSwitch(switches::kUnsafePacUrl)) {
+    proxy_service->set_sanitize_url_policy(
+        net::ProxyService::SanitizeUrlPolicy::UNSAFE);
+  }
+
   return proxy_service;
 }