Enable cookies per default in net. Add an API to disable them by default, and do that in Chrome

net/url_request/url_request.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.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_H_
 #define NET_URL_REQUEST_URL_REQUEST_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 273 matching lines @@
   };
 
   // Initialize an URL request.
   URLRequest(const GURL& url, Delegate* delegate);
 
   // If destroyed after Start() has been called but while IO is pending,
   // then the request will be effectively canceled and the delegate
   // will not have any more of its methods called.
   virtual ~URLRequest();
 
+  // Changes the default cookie policy from allowing all cookies to denying all

[wtc, 2012/03/28 17:51:05]

Nit: denying => blocking ?

which is a little more consistent with the function's name.

Also on line 299 "deny all cookies".

[jochen (gone - plz use gerrit), 2012/03/29 18:33:24]

Done.

+  // cookies. Embedders that want to implement a more flexible policy should
+  // change the default to blocking all cookies, and provide a NetworkDelegate
+  // with the URLRequestContext that maintains the CookieStore.
+  // The cookie policy default has to be set before the first URLRequest is
+  // started. Once it was set to deny all cookies, it cannot be changed back.
+  static void SetDefaultCookiePolicyToBlock();
+
   // Returns true if the scheme can be handled by URLRequest. False otherwise.
   static bool IsHandledProtocol(const std::string& scheme);
 
   // Returns true if the url can be handled by URLRequest. False otherwise.
   // The function returns true for invalid urls because URLRequest knows how
   // to handle those.
   // NOTE: This will also return true for URLs that are handled by
   // ProtocolFactories that only work for requests that are scoped to a
   // Profile.
   static bool IsHandledURL(const GURL& url);
@@ skipping 454 matching lines @@
   scoped_refptr<AuthChallengeInfo> auth_info_;
 
   base::TimeTicks creation_time_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequest);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_H_