Remove chrome/ code to handle App Notifications

chrome/browser/extensions/extension_prefs.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 215 matching lines @@
   void AcknowledgeBlacklistedExtension(const std::string& extension_id);
 
   // Returns true if the extension notification code has already run for the
   // first time for this profile. Currently we use this flag to mean that any
   // extensions that would trigger notifications should get silently
   // acknowledged. This is a fuse. Calling it the first time returns false.
   // Subsequent calls return true. It's not possible through an API to ever
   // reset it. Don't call it unless you mean it!
   bool SetAlertSystemFirstRun();
 
-  // The oauth client id used for app notification setup, if any.
-  std::string GetAppNotificationClientId(const std::string& extension_id) const;
-  void SetAppNotificationClientId(const std::string& extension_id,
-                                  const std::string& oauth_client_id);
-
-  // Whether app notifications are disabled for the given app.
-  bool IsAppNotificationDisabled(const std::string& extension_id) const;
-  void SetAppNotificationDisabled(const std::string& extension_id, bool value);
-
   // Checks if extensions are blacklisted by default, by policy.
   // The ManagementPolicy::Provider methods also take this into account, and
   // should be used instead when the extension ID is known.
   bool ExtensionsBlacklistedByDefault() const;
 
   // Returns the last value set via SetLastPingDay. If there isn't such a
   // pref, the returned Time will return true for is_null().
   base::Time LastPingDay(const std::string& extension_id) const;
 
   // The time stored is based on the server's perspective of day start time, not
@@ skipping 408 matching lines @@
   scoped_refptr<ContentSettingsStore> content_settings_store_;
 
   scoped_ptr<TimeProvider> time_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPrefs);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_