Add a SetCanonicalCookie method for CookieMonster.

ios/net/cookies/cookie_store_ios_persistent.mm

 // Copyright (c) 2017 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.
 
 #import "ios/net/cookies/cookie_store_ios_persistent.h"
 
 #import <Foundation/Foundation.h>
 
 #include "ios/net/cookies/system_cookie_util.h"
 #include "net/cookies/cookie_monster.h"
@@ skipping 39 matching lines @@
     CookiePriority priority,
     const SetCookiesCallback& callback) {
   DCHECK(thread_checker().CalledOnValidThread());
 
   cookie_monster()->SetCookieWithDetailsAsync(
       url, name, value, domain, path, creation_time, expiration_time,
       last_access_time, secure, http_only, same_site, priority,
       WrapSetCallback(callback));
 }
 
+void CookieStoreIOSPersistent::SetCanonicalCookieAsync(
+    const CanonicalCookie& cookie,
+    bool secure_source,
+    bool modify_http_only,
+    const SetCookiesCallback& callback) {
+  DCHECK(thread_checker().CalledOnValidThread());
+
+  cookie_monster()->SetCanonicalCookieAsync(
+      cookie, secure_source, modify_http_only, WrapSetCallback(callback));
+}
+
 void CookieStoreIOSPersistent::GetCookiesWithOptionsAsync(
     const GURL& url,
     const net::CookieOptions& options,
     const GetCookiesCallback& callback) {
   DCHECK(thread_checker().CalledOnValidThread());
   cookie_monster()->GetCookiesWithOptionsAsync(url, options, callback);
 }
 
 void CookieStoreIOSPersistent::GetCookieListWithOptionsAsync(
     const GURL& url,
@@ skipping 62 matching lines @@
 }
 
 #pragma mark -
 #pragma mark Private methods
 
 void CookieStoreIOSPersistent::WriteToCookieMonster(NSArray* system_cookies) {}
 
 void CookieStoreIOSPersistent::OnSystemCookiesChanged() {}
 
 }  // namespace net