Add FlushStore to CookieStore interface.

ios/net/cookies/cookie_store_ios.h

 // Copyright 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 IOS_NET_COOKIES_COOKIE_STORE_IOS_H_
 #define IOS_NET_COOKIES_COOKIE_STORE_IOS_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 85 matching lines @@
   // be synchronized with it.
   static void SwitchSynchronizedStore(CookieStoreIOS* old_store,
                                       CookieStoreIOS* new_store);
 
   // Must be called when the state of
   // |NSHTTPCookieStorage sharedHTTPCookieStorage| changes.
   // Affects only those CookieStoreIOS instances that are backed by
   // |NSHTTPCookieStorage sharedHTTPCookieStorage|.
   static void NotifySystemCookiesChanged();
 
-  // Saves the cookies to the cookie monster.
-  // Note: ignores the write cookie operation if |write_on_flush_| is false.
-  void Flush(const base::Closure& callback);
-
   // Unsynchronizes the cookie store if it is currently synchronized.
   void UnSynchronize();
 
   // Only one cookie store may enable metrics.
   void SetMetricsEnabled();
 
   // Sets the delay between flushes. Only used in tests.
   void set_flush_delay_for_testing(base::TimeDelta delay) {
     flush_delay_ = delay;
   }
@@ skipping 14 matching lines @@
   net::CookieMonster* GetCookieMonster() override;
   void DeleteAllCreatedBetweenAsync(const base::Time& delete_begin,
                                     const base::Time& delete_end,
                                     const DeleteCallback& callback) override;
   void DeleteAllCreatedBetweenForHostAsync(
       const base::Time delete_begin,
       const base::Time delete_end,
       const GURL& url,
       const DeleteCallback& callback) override;
   void DeleteSessionCookiesAsync(const DeleteCallback& callback) override;
+  void FlushStore(const base::Closure& callback) override;
 
   scoped_ptr<CookieChangedSubscription> AddCallbackForCookie(
       const GURL& url,
       const std::string& name,
       const CookieChangedCallback& callback) override;
 
  protected:
   ~CookieStoreIOS() override;
 
  private:
@@ skipping 154 matching lines @@
   typedef std::map<std::pair<GURL, std::string>, CookieChangedCallbackList*>
       CookieChangedHookMap;
   CookieChangedHookMap hook_map_;
 
   DISALLOW_COPY_AND_ASSIGN(CookieStoreIOS);
 };
 
 }  // namespace net
 
 #endif  // IOS_NET_COOKIES_COOKIE_STORE_IOS_H_