Adds async interface method to PersistentPrefStore.

chrome/browser/content_settings/content_settings_pref_provider_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 "chrome/browser/content_settings/content_settings_pref_provider.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "chrome/browser/content_settings/stub_settings_observer.h"
 #include "chrome/browser/prefs/browser_prefs.h"
@@ skipping 18 matching lines @@
                              PrefStore* managed_cloud_prefs,
                              PrefStore* extension_prefs,
                              PrefStore* command_line_prefs,
                              PersistentPrefStore* user_prefs,
                              PrefStore* recommended_platform_prefs,
                              PrefStore* recommended_cloud_prefs,
                              DefaultPrefStore* default_store)
       : PrefService(
           managed_platform_prefs, managed_cloud_prefs, extension_prefs,
           command_line_prefs, user_prefs, recommended_platform_prefs,
-          recommended_cloud_prefs, default_store, NULL) {}
+          recommended_cloud_prefs, default_store, false) {}
   virtual ~ContentSettingsPrefService() {}
 };
 }
 
 namespace content_settings {
 
 class PrefDefaultProviderTest : public TestingBrowserProcessTest {
  public:
   PrefDefaultProviderTest()
       : ui_thread_(BrowserThread::UI, &message_loop_) {
@@ skipping 289 matching lines @@
       CONTENT_SETTING_BLOCK);
   EXPECT_EQ(CONTENT_SETTING_BLOCK,
             pref_content_settings_provider.GetContentSetting(
                 host, host, CONTENT_SETTINGS_TYPE_PLUGINS, resource1));
   EXPECT_EQ(CONTENT_SETTING_DEFAULT,
             pref_content_settings_provider.GetContentSetting(
                 host, host, CONTENT_SETTINGS_TYPE_PLUGINS, resource2));
 }
 
 }  // namespace content_settings