SameSite: Implement 'Strict'/'Lax' attribute parsing.

ios/net/cookies/cookie_store_ios.mm

 // 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.
 
 #include "ios/net/cookies/cookie_store_ios.h"
 
 #import <Foundation/Foundation.h>
 #include <stddef.h>
 
 #include "base/bind.h"
@@ skipping 431 matching lines @@
     const GURL& url,
     const std::string& name,
     const std::string& value,
     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,
-    bool same_site,
+    CookieSameSite same_site,
     bool enforce_strict_secure,
     CookiePriority priority,
     const SetCookiesCallback& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   switch (synchronization_state_) {
     case NOT_SYNCHRONIZED:
       cookie_monster_->SetCookieWithDetailsAsync(
           url, name, value, domain, path, creation_time, expiration_time,
           last_access_time, secure, http_only, same_site, enforce_strict_secure,
@@ skipping 690 matching lines @@
                     weak_factory_.GetWeakPtr(), callback);
 }
 
 base::Closure CookieStoreIOS::WrapClosure(const base::Closure& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   return base::Bind(&CookieStoreIOS::UpdateCachesAfterClosure,
                     weak_factory_.GetWeakPtr(), callback);
 }
 
 }  // namespace net