Allow policy refresh rate to be configured through policy.

chrome/browser/policy/configuration_policy_pref_store_unittest.cc

 // Copyright (c) 2010 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 "base/file_path.h"
 #include "chrome/browser/policy/configuration_policy_pref_store.h"
 #include "chrome/browser/policy/mock_configuration_policy_provider.h"
 #include "chrome/browser/prefs/proxy_prefs.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/pref_names.h"
@@ skipping 202 matching lines @@
   EXPECT_EQ(PrefStore::READ_OK,
             store_.GetValue(GetParam().pref_name(), &value));
   EXPECT_TRUE(FundamentalValue(2).Equals(value));
 }
 
 INSTANTIATE_TEST_CASE_P(
     ConfigurationPolicyPrefStoreIntegerTestInstance,
     ConfigurationPolicyPrefStoreIntegerTest,
     testing::Values(
         TypeAndName(kPolicyRestoreOnStartup,
-                    prefs::kRestoreOnStartup)));
+                    prefs::kRestoreOnStartup),
+        TypeAndName(kPolicyPolicyRefreshRate,
+                    prefs::kPolicyRefreshRate)));
 
 // Test cases for the proxy policy settings.
 class ConfigurationPolicyPrefStoreProxyTest : public testing::Test {
  protected:
   // Verify that all the proxy prefs are set to the specified expected values.
   static void VerifyProxyPrefs(
       const ConfigurationPolicyPrefStore& store,
       const std::string& expected_proxy_server,
       const std::string& expected_proxy_pac_url,
       const std::string& expected_proxy_bypass_list,
@@ skipping 446 matching lines @@
 
   provider_.SetInitializationComplete(true);
   EXPECT_FALSE(store_.IsInitializationComplete());
 
   store_.OnUpdatePolicy();
   Mock::VerifyAndClearExpectations(&observer_);
   EXPECT_TRUE(store_.IsInitializationComplete());
 }
 
 }  // namespace policy