Add preference for managed notifications setting.

chrome/common/pref_names.h

 // 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.
 
 // Constants for the names of various preferences, for easier changing.
 
 #ifndef CHROME_COMMON_PREF_NAMES_H_
 #define CHROME_COMMON_PREF_NAMES_H_
 #pragma once
 
@@ skipping 470 matching lines @@
 
 extern const char kProxy[];
 extern const char kMaxConnectionsPerProxy[];
 
 extern const char kManagedDefaultCookiesSetting[];
 extern const char kManagedDefaultImagesSetting[];
 extern const char kManagedDefaultJavaScriptSetting[];
 extern const char kManagedDefaultPluginsSetting[];
 extern const char kManagedDefaultPopupsSetting[];
 extern const char kManagedDefaultGeolocationSetting[];
+extern const char kManagedDefaultNotificationsSetting[];
 
 extern const char kManagedCookiesAllowedForUrls[];
 extern const char kManagedCookiesBlockedForUrls[];
 extern const char kManagedCookiesSessionOnlyForUrls[];
 extern const char kManagedImagesAllowedForUrls[];
 extern const char kManagedImagesBlockedForUrls[];
 extern const char kManagedJavaScriptAllowedForUrls[];
 extern const char kManagedJavaScriptBlockedForUrls[];
 extern const char kManagedPluginsAllowedForUrls[];
 extern const char kManagedPluginsBlockedForUrls[];
@@ skipping 27 matching lines @@
 extern const char kCustomHandlersEnabled[];
 
 extern const char kUserCreatedLoginItem[];
 extern const char kBackgroundModeEnabled[];
 
 extern const char kDevicePolicyRefreshRate[];
 extern const char kUserPolicyRefreshRate[];
 }  // namespace prefs
 
 #endif  // CHROME_COMMON_PREF_NAMES_H_