Add a policy for disabling the stripping of PAC URLs.

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 99 matching lines @@
 #endif  // defined(OS_CHROMEOS)
 }
 
 // static
 std::unique_ptr<net::ProxyService> ProxyServiceFactory::CreateProxyService(
     net::NetLog* net_log,
     net::URLRequestContext* context,
     net::NetworkDelegate* network_delegate,
     std::unique_ptr<net::ProxyConfigService> proxy_config_service,
     const base::CommandLine& command_line,
-    bool quick_check_enabled) {
+    bool quick_check_enabled,
+    bool pac_https_url_stripping_enabled) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   bool use_v8 = !command_line.HasSwitch(switches::kWinHttpProxyResolver);
   // TODO(eroman): Figure out why this doesn't work in single-process mode.
   // Should be possible now that a private isolate is used.
   // http://crbug.com/474654
   if (use_v8 && command_line.HasSwitch(switches::kSingleProcess)) {
     LOG(ERROR) << "Cannot use V8 Proxy resolver in single process mode.";
     use_v8 = false;  // Fallback to non-v8 implementation.
   }
 
@@ skipping 49 matching lines @@
           new net::ProxyScriptFetcherImpl(context),
           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);
-  }
+  proxy_service->set_sanitize_url_policy(
+      pac_https_url_stripping_enabled
+          ? net::ProxyService::SanitizeUrlPolicy::SAFE
+          : net::ProxyService::SanitizeUrlPolicy::UNSAFE);
 
   return proxy_service;
 }