Adds async interface method to PersistentPrefStore.

chrome/browser/policy/configuration_policy_pref_store_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 "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/policy/configuration_policy_pref_store.h"
 #include "chrome/browser/policy/mock_configuration_policy_provider.h"
 #include "chrome/browser/prefs/proxy_config_dictionary.h"
 #include "chrome/common/pref_names.h"
@@ skipping 801 matching lines @@
   provider_.RemovePolicy(kPolicyHomepageLocation);
   store_->OnUpdatePolicy();
   Mock::VerifyAndClearExpectations(&observer_);
   EXPECT_EQ(PrefStore::READ_NO_VALUE,
             store_->GetValue(prefs::kHomePage, NULL));
 }
 
 TEST_F(ConfigurationPolicyPrefStoreRefreshTest, Initialization) {
   EXPECT_FALSE(store_->IsInitializationComplete());
 
-  EXPECT_CALL(observer_, OnInitializationCompleted()).Times(1);
+  EXPECT_CALL(observer_, OnInitializationCompleted(true)).Times(1);
 
   provider_.SetInitializationComplete(true);
   EXPECT_FALSE(store_->IsInitializationComplete());
 
   store_->OnUpdatePolicy();
   Mock::VerifyAndClearExpectations(&observer_);
   EXPECT_TRUE(store_->IsInitializationComplete());
 }
 
 }  // namespace policy