Refactored not to expose raw pointers on ProxyList class.

net/proxy/proxy_list.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_PROXY_PROXY_LIST_H_
 #define NET_PROXY_PROXY_LIST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 60 matching lines @@
   //   "DIRECT"
   //   "PROXY foopy1"
   //   "PROXY foopy1; SOCKS4 foopy2:1188"
   // Does a best-effort parse, and silently discards any errors.
   void SetFromPacString(const std::string& pac_string);
 
   // Returns a PAC-style semicolon-separated list of valid proxy servers.
   // For example: "PROXY xxx.xxx.xxx.xxx:xx; SOCKS yyy.yyy.yyy:yy".
   std::string ToPacString() const;
 
-  // Returns a serialized value for the list. The caller takes ownership of it.
-  base::ListValue* ToValue() const;
+  // Returns a serialized value for the list.
+  scoped_ptr<base::ListValue> ToValue() const;
 
   // Marks the current proxy server as bad and deletes it from the list. The
   // list of known bad proxies is given by |proxy_retry_info|. |net_error|
   // should contain the network error encountered when this proxy was tried, if
   // any. If this fallback is not because of a network error, then |OK| should
   // be passed in (eg. for reasons such as local policy). Returns true if there
   // is another server available in the list.
   bool Fallback(ProxyRetryInfoMap* proxy_retry_info,
                 int net_error,
                 const BoundNetLog& net_log);
@@ skipping 28 matching lines @@
                            int net_error,
                            const BoundNetLog& net_log) const;
 
   // List of proxies.
   std::vector<ProxyServer> proxies_;
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_LIST_H_