Change PPB_NetAddress_Private.GetFamily to return a PP_AddressFamily_Private value instead of uint1…

ppapi/api/private/ppb_net_address_private.idl

 /* 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.
  */
 
 /**
  * This file defines the <code>PPB_NetAddress_Private</code> interface.
  */
 
 label Chrome {
     M17 = 0.1,
     M18 = 1.0
 };
 
+[assert_size(4)]
+enum PP_AddressFamily_Private {
+  /**
+   * The address family is unspecified.
+   */
+  PP_ADDRESSFAMILY_UNSPECIFIED = 0,
+  /**
+   * The Internet Protocol version 4 (IPv4) address family.
+   */
+  PP_ADDRESSFAMILY_IPV4 = 1,
+  /**
+   * The Internet Protocol version 6 (IPv6) address family.
+   */
+  PP_ADDRESSFAMILY_IPV6 = 2
+};
+
 /**
  * This is an opaque type holding a network address.
  */
 [assert_size(132)]
 struct PP_NetAddress_Private {
   uint32_t size;
   char[128] data;
 };
 
 /**
@@ skipping 32 matching lines @@
   /**
     * Gets the "any" address (for IPv4 or IPv6); for use with UDP Bind.
     */
   void GetAnyAddress([in] PP_Bool is_ipv6,
                      [out] PP_NetAddress_Private addr);
 
   /**
     * Gets the address family.
     */
   [version=1.0]
-  uint16_t GetFamily([in] PP_NetAddress_Private addr);
-  
+  PP_AddressFamily_Private GetFamily([in] PP_NetAddress_Private addr);
+
   /**
     * Gets the port. The port is returned in host byte order.
     */
   [version=1.0]
   uint16_t GetPort([in] PP_NetAddress_Private addr);
 
   /**
     * Gets the address. The output, address, must be large enough for the
     * current socket family. The output will be the binary representation of an
     * address for the current socket family. For IPv4 and IPv6 the address is in
     * network byte order. PP_TRUE is returned if the address was successfully
     * retrieved.
     */
   [version=1.0]
   PP_Bool GetAddress([in] PP_NetAddress_Private addr,
                      [out] mem_t address,
                      [in] uint16_t address_size);
 };