Add constructor for creating an AddressList from a struct sockaddr. This is...

net/base/address_list.h

 // Copyright (c) 2010 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_BASE_ADDRESS_LIST_H_
 #define NET_BASE_ADDRESS_LIST_H_
 #pragma once
 
 #include <string>
 
@@ skipping 56 matching lines @@
   // |canonical_name| must be a non-null value.
   bool GetCanonicalName(std::string* canonical_name) const;
 
   // Clears all data from this address list. This leaves the list in the same
   // empty state as when first constructed.
   void Reset();
 
   // Get access to the head of the addrinfo list.
   const struct addrinfo* head() const;
 
+  // Constructs an address list for a single socket address.
+  // |address| the sockaddr to copy.
+  // |socket_type| is either SOCK_STREAM or SOCK_DGRAM.
+  // |protocol| is either IPPROTO_TCP or IPPROTO_UDP.
+  static AddressList* CreateAddressListFromSockaddr(
+      const struct sockaddr* address,
+      socklen_t address_length,
+      int socket_type,
+      int protocol);
+
  private:
   struct Data;
 
   explicit AddressList(Data* data);
 
   scoped_refptr<Data> data_;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_ADDRESS_LIST_H_