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

chrome/browser/net/chrome_url_request_context_unittest.cc

Index: chrome/browser/net/chrome_url_request_context_unittest.cc
===================================================================
--- chrome/browser/net/chrome_url_request_context_unittest.cc	(revision 52073)
+++ chrome/browser/net/chrome_url_request_context_unittest.cc	(working copy)
@@ -159,7 +159,8 @@
                               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));