Add "PRIVATE" to the enum names of some private Pepper networking APIs:

ppapi/cpp/private/net_address_private.cc

 // 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.
 
 #include "ppapi/cpp/private/net_address_private.h"
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
 #include "ppapi/cpp/var.h"
@@ skipping 132 matching lines @@
   return false;
 }
 
 // static
 PP_NetAddressFamily_Private NetAddressPrivate::GetFamily(
     const PP_NetAddress_Private& addr) {
   if (has_interface<PPB_NetAddress_Private_1_1>())
     return get_interface<PPB_NetAddress_Private_1_1>()->GetFamily(&addr);
   if (has_interface<PPB_NetAddress_Private_1_0>())
     return get_interface<PPB_NetAddress_Private_1_0>()->GetFamily(&addr);
-  return PP_NETADDRESSFAMILY_UNSPECIFIED;
+  return PP_NETADDRESSFAMILY_PRIVATE_UNSPECIFIED;
 }
 
 // static
 uint16_t NetAddressPrivate::GetPort(const PP_NetAddress_Private& addr) {
   if (has_interface<PPB_NetAddress_Private_1_1>())
     return get_interface<PPB_NetAddress_Private_1_1>()->GetPort(&addr);
   if (has_interface<PPB_NetAddress_Private_1_0>())
     return get_interface<PPB_NetAddress_Private_1_0>()->GetPort(&addr);
   return 0;
 }
@@ skipping 45 matching lines @@
     struct PP_NetAddress_Private* addr_out) {
   if (has_interface<PPB_NetAddress_Private_1_1>()) {
     get_interface<PPB_NetAddress_Private_1_1>()->CreateFromIPv6Address(
         ip, scope_id, port, addr_out);
     return true;
   }
   return false;
 }
 
 }  // namespace pp