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

ppapi/api/private/ppb_net_address_private.idl

Index: ppapi/api/private/ppb_net_address_private.idl
diff --git a/ppapi/api/private/ppb_net_address_private.idl b/ppapi/api/private/ppb_net_address_private.idl
index ecf6416be5d8502a843b26026b1b27be04250c46..e8a190f8b5df4e3eb3e241e2b80b3bb7ba5d607c 100644
--- a/ppapi/api/private/ppb_net_address_private.idl
+++ b/ppapi/api/private/ppb_net_address_private.idl
@@ -12,6 +12,22 @@ label Chrome {
     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.
  */
@@ -64,8 +80,8 @@ interface PPB_NetAddress_Private {
     * 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.
     */