Apply automatic range checking for enums across p2p_messages IPC.

content/common/p2p_messages.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.
 
 // IPC messages for the P2P Transport API.
 // Multiply-included message file, hence no include guard.
 
 #include "base/time/time.h"
 #include "content/common/content_export.h"
 #include "content/public/common/p2p_socket_type.h"
 #include "ipc/ipc_message_macros.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/net_util.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 #define IPC_MESSAGE_START P2PMsgStart
 
-IPC_ENUM_TRAITS(content::P2PSocketType)
-IPC_ENUM_TRAITS(net::DiffServCodePoint)
-IPC_ENUM_TRAITS(content::P2PSocketOption)
+IPC_ENUM_TRAITS_MAX_VALUE(content::P2PSocketType,
+                          content::P2P_SOCKET_TYPE_LAST)
+IPC_ENUM_TRAITS_MAX_VALUE(content::P2PSocketOption,
+                          content::P2P_SOCKET_OPT_MAX - 1)
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(net::DiffServCodePoint,
+                              net::DSCP_FIRST,
+                              net::DSCP_LAST)
 
 IPC_STRUCT_TRAITS_BEGIN(net::NetworkInterface)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(address)
 IPC_STRUCT_TRAITS_END()
 
 // P2P Socket messages sent from the browser to the renderer.
 
 IPC_MESSAGE_CONTROL1(P2PMsg_NetworkListChanged,
                      net::NetworkInterfaceList /* networks */)
@@ skipping 52 matching lines @@
                      net::DiffServCodePoint /* dscp */,
                      uint64 /* packet_id */)
 
 IPC_MESSAGE_CONTROL1(P2PHostMsg_DestroySocket,
                      int /* socket_id */)
 
 IPC_MESSAGE_CONTROL3(P2PHostMsg_SetOption,
                      int /* socket_id */,
                      content::P2PSocketOption /* socket option type */,
                      int /* value */)