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

chrome/browser/prefs/proxy_config_dictionary_unittest.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 <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/prefs/proxy_config_dictionary.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 25 matching lines @@
 
   ASSERT_TRUE(dict.GetMode(&h.mode));
   EXPECT_EQ(ProxyPrefs::MODE_AUTO_DETECT, h.mode);
   ASSERT_FALSE(dict.GetPacUrl(&h.bypass_list));
   ASSERT_FALSE(dict.GetProxyServer(&h.proxy_server));
   ASSERT_FALSE(dict.GetBypassList(&h.bypass_list));
 }
 
 TEST(ProxyConfigDictionaryTest, CreatePacScript) {
   scoped_ptr<DictionaryValue> dict_value(
-      ProxyConfigDictionary::CreatePacScript("pac"));
+      ProxyConfigDictionary::CreatePacScript("pac", false));
   ProxyConfigDictionary dict(dict_value.get());
   ProxyConfigHolder h;
 
   ASSERT_TRUE(dict.GetMode(&h.mode));
   EXPECT_EQ(ProxyPrefs::MODE_PAC_SCRIPT, h.mode);
   ASSERT_TRUE(dict.GetPacUrl(&h.bypass_list));
   EXPECT_EQ("pac", h.bypass_list);
   ASSERT_FALSE(dict.GetProxyServer(&h.proxy_server));
   ASSERT_FALSE(dict.GetBypassList(&h.bypass_list));
 }
@@ skipping 18 matching lines @@
   scoped_ptr<DictionaryValue> dict_value(ProxyConfigDictionary::CreateSystem());
   ProxyConfigDictionary dict(dict_value.get());
   ProxyConfigHolder h;
 
   ASSERT_TRUE(dict.GetMode(&h.mode));
   EXPECT_EQ(ProxyPrefs::MODE_SYSTEM, h.mode);
   ASSERT_FALSE(dict.GetPacUrl(&h.bypass_list));
   ASSERT_FALSE(dict.GetProxyServer(&h.proxy_server));
   ASSERT_FALSE(dict.GetBypassList(&h.bypass_list));
 }