Removed CookieStoreIOS::CreateCookieStore as unused.

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 <memory>
 #include <string>
@@ skipping 40 matching lines @@
 class CookieStoreIOS : public net::CookieStore,
                        public CookieNotificationObserver {
  public:
   // Creates an instance of CookieStoreIOS that is generated from the cookies
   // stored in |cookie_storage|. The CookieStoreIOS uses the |cookie_storage|
   // as its default backend and is initially synchronized with it.
   // Apple does not persist the cookies' creation dates in NSHTTPCookieStorage,
   // so callers should not expect these values to be populated.
   explicit CookieStoreIOS(NSHTTPCookieStorage* cookie_storage);
 
-  // Creates a CookieStoreIOS with NSHTTPCookieStorage backend.
-  // TODO(crbug.com/683964): Remove this method.
-  static std::unique_ptr<CookieStoreIOS> CreateCookieStore(
-      NSHTTPCookieStorage* cookie_storage);
-
   ~CookieStoreIOS() override;
 
   enum CookiePolicy { ALLOW, BLOCK };
 
   // Must be called when the state of
   // |NSHTTPCookieStorage sharedHTTPCookieStorage| changes.
   // Affects only those CookieStoreIOS instances that are backed by
   // |NSHTTPCookieStorage sharedHTTPCookieStorage|.
   static void NotifySystemCookiesChanged();
 
@@ skipping 198 matching lines @@
       hook_map_;
 
   base::WeakPtrFactory<CookieStoreIOS> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CookieStoreIOS);
 };
 
 }  // namespace net
 
 #endif  // IOS_NET_COOKIES_COOKIE_STORE_IOS_H_