Enable (optional) blocking of webrequests in case a PAC script cannot be fetched or is invalid.

chrome/browser/policy/configuration_policy_pref_store.cc

 // Copyright (c) 2011 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/policy/configuration_policy_pref_store.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 674 matching lines @@
     case ProxyPrefs::MODE_DIRECT:
       prefs_.SetValue(prefs::kProxy, ProxyConfigDictionary::CreateDirect());
       break;
     case ProxyPrefs::MODE_AUTO_DETECT:
       prefs_.SetValue(prefs::kProxy, ProxyConfigDictionary::CreateAutoDetect());
       break;
     case ProxyPrefs::MODE_PAC_SCRIPT: {
       std::string pac_url;
       proxy_policies_[kPolicyProxyPacUrl]->GetAsString(&pac_url);
       prefs_.SetValue(prefs::kProxy,
-                      ProxyConfigDictionary::CreatePacScript(pac_url));
+                      ProxyConfigDictionary::CreatePacScript(pac_url, false));
       break;
     }
     case ProxyPrefs::MODE_FIXED_SERVERS: {
       std::string proxy_server;
       proxy_policies_[kPolicyProxyServer]->GetAsString(&proxy_server);
       std::string bypass_list;
       if (HasProxyPolicy(kPolicyProxyBypassList))
         proxy_policies_[kPolicyProxyBypassList]->GetAsString(&bypass_list);
       prefs_.SetValue(prefs::kProxy,
                       ProxyConfigDictionary::CreateFixedServers(proxy_server,
@@ skipping 312 matching lines @@
   // Update the initialization flag.
   if (!initialization_complete_ &&
       provider_->IsInitializationComplete()) {
     initialization_complete_ = true;
     FOR_EACH_OBSERVER(PrefStore::Observer, observers_,
                       OnInitializationCompleted());
   }
 }
 
 }  // namespace policy