Add an ExtensionPrefStore, layered between the user prefs nad the managed pre...

chrome/browser/net/chrome_url_request_context_unittest.cc

 // Copyright (c) 2006-2009 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/chrome_url_request_context.h"
 
 #include "base/command_line.h"
 #include "base/format_macros.h"
 #include "chrome/browser/configuration_policy_pref_store.h"
 #include "chrome/browser/pref_value_store.h"
@@ skipping 141 matching lines @@
       GURL(),                                             // pac_url
       net::ProxyRulesExpectation::Empty(),
     }
   };
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); i++) {
     SCOPED_TRACE(StringPrintf("Test[%" PRIuS "] %s", i,
                               tests[i].description.c_str()));
     CommandLine command_line(tests[i].command_line);
     PrefService prefs(new PrefValueStore(
-        new ConfigurationPolicyPrefStore(&command_line, NULL), NULL, NULL));
+        new ConfigurationPolicyPrefStore(&command_line, NULL),
+        NULL, NULL, NULL));  // No extension, user, or recommended prefs.
     ChromeURLRequestContextGetter::RegisterUserPrefs(&prefs);
     scoped_ptr<net::ProxyConfig> config(CreateProxyConfig(&prefs));
 
     if (tests[i].is_null) {
       EXPECT_TRUE(config == NULL);
     } else {
       EXPECT_TRUE(config != NULL);
       EXPECT_EQ(tests[i].auto_detect, config->auto_detect());
       EXPECT_EQ(tests[i].pac_url, config->pac_url());
       EXPECT_TRUE(tests[i].proxy_rules.Matches(config->proxy_rules()));
     }
   }
 }