Add a SetCanonicalCookie method for CookieMonster.

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 71 matching lines @@
                                  const std::string& domain,
                                  const std::string& path,
                                  base::Time creation_time,
                                  base::Time expiration_time,
                                  base::Time last_access_time,
                                  bool secure,
                                  bool http_only,
                                  CookieSameSite same_site,
                                  CookiePriority priority,
                                  const SetCookiesCallback& callback) override;
+  void SetCanonicalCookieAsync(const CanonicalCookie& cookie,
+                               bool secure_source,
+                               bool modify_http_only,
+                               const SetCookiesCallback& callback) override;
   void GetCookiesWithOptionsAsync(const GURL& url,
                                   const net::CookieOptions& options,
                                   const GetCookiesCallback& callback) override;
   void GetCookieListWithOptionsAsync(
       const GURL& url,
       const net::CookieOptions& options,
       const GetCookieListCallback& callback) override;
   void GetAllCookiesAsync(const GetCookieListCallback& callback) override;
   void DeleteCookieAsync(const GURL& url,
                          const std::string& cookie_name,
@@ skipping 167 matching lines @@
       hook_map_;
 
   base::WeakPtrFactory<CookieStoreIOS> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CookieStoreIOS);
 };
 
 }  // namespace net
 
 #endif  // IOS_NET_COOKIES_COOKIE_STORE_IOS_H_