Crash the network process when a fatal daemon-to-network protocol error encountered.

remoting/host/chromoting_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.
 
 // Defines IPC messages used by Chromoting components.
 
 // Multiply-included message file, no traditional include guard.
 #include "ipc/ipc_message_macros.h"
 
 #define IPC_MESSAGE_START ChromotingMsgStart
 
 //-----------------------------------------------------------------------------
 // Chromoting messages sent from the daemon to the network process.
 
+// Requests the network process to crash producing a crash dump. The daemon
+// sends this message when a fatal error has been detected indicating that
+// the network process misbehaves. The daemon passes the location of the code
+// that detected the error.
+IPC_MESSAGE_CONTROL3(ChromotingDaemonNetworkMsg_Crash,
+                     std::string /* function_name */,
+                     std::string /* file_name */,
+                     int /* line_number */)
+
 // Delivers the host configuration (and updates) to the network process.
 IPC_MESSAGE_CONTROL1(ChromotingDaemonNetworkMsg_Configuration, std::string)
 
 // Notifies the network process that the terminal |terminal_id| has been
 // disconnected from the desktop session.
 IPC_MESSAGE_CONTROL1(ChromotingDaemonNetworkMsg_TerminalDisconnected,
                      int /* terminal_id */)
 
 //-----------------------------------------------------------------------------
 // Chromoting messages sent from the network to the daemon process.
 
 // Connects the terminal |terminal_id| (i.e. the remote client) to a desktop
 // session.
 IPC_MESSAGE_CONTROL1(ChromotingNetworkHostMsg_ConnectTerminal,
                      int /* terminal_id */)
 
 // Disconnects the terminal |terminal_id| from the desktop session it was
 // connected to.
 IPC_MESSAGE_CONTROL1(ChromotingNetworkHostMsg_DisconnectTerminal,
                      int /* terminal_id */)