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

net/cookies/cookie_store.h

 // Copyright (c) 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.
 
 // Brought to you by number 42.
 
 #ifndef NET_COOKIES_COOKIE_STORE_H_
 #define NET_COOKIES_COOKIE_STORE_H_
 
 #include <string>
@@ skipping 73 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) = 0;
 
   // TODO(???): what if the total size of all the cookies >4k, can we have a
   // header that big or do we need multiple Cookie: headers?
   // Note: Some sites, such as Facebook, occasionally use Cookie headers >4k.
   //
   // Simple interface, gets a cookie string "a=b; c=d" for the given URL.
   // Gets all cookies that apply to |url| given |options|. Use options to
@@ skipping 102 matching lines @@
   // TODO(nharper): Remove this method once crbug.com/548423 has been closed.
   virtual bool IsEphemeral() = 0;
 
  protected:
   CookieStore();
 };
 
 }  // namespace net
 
 #endif  // NET_COOKIES_COOKIE_STORE_H_