[Do not commit] Track revocations in content_settings::Observer

components/signin/core/browser/account_reconcilor.h

 // Copyright 2014 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 COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_RECONCILOR_H_
 #define COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_RECONCILOR_H_
 
 #include <deque>
 #include <functional>
 #include <set>
 #include <string>
@@ skipping 121 matching lines @@
 
   void ValidateAccountsFromTokenService();
   // Note internally that this |account_id| is added to the cookie jar.
   bool MarkAccountAsAddedToCookie(const std::string& account_id);
 
   // Overriden from content_settings::Observer.
   void OnContentSettingChanged(
       const ContentSettingsPattern& primary_pattern,
       const ContentSettingsPattern& secondary_pattern,
       ContentSettingsType content_type,
+      ContentSetting previous_value,
       std::string resource_identifier) override;
 
   // Overriden from GaiaGookieManagerService::Observer.
   void OnAddAccountToCookieCompleted(
       const std::string& account_id,
       const GoogleServiceAuthError& error) override;
   void OnGaiaAccountsInCookieUpdated(
         const std::vector<gaia::ListedAccount>& accounts,
         const GoogleServiceAuthError& error) override;
 
@@ skipping 45 matching lines @@
   // These members are used to validate the tokens in OAuth2TokenService.
   std::string primary_account_;
   std::vector<std::string> chrome_accounts_;
   std::vector<std::string> add_to_cookie_;
   bool chrome_accounts_changed_;
 
   DISALLOW_COPY_AND_ASSIGN(AccountReconcilor);
 };
 
 #endif  // COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_RECONCILOR_H_