Migrate remoting to net::IPAddress.

remoting/host/chromoting_messages.h

Index: remoting/host/chromoting_messages.h
diff --git a/remoting/host/chromoting_messages.h b/remoting/host/chromoting_messages.h
index c9c5e189eb394f939362b159e63a547cdf163374..1d2a5740db4d769b44e02a3108eda63ec6090db6 100644
--- a/remoting/host/chromoting_messages.h
+++ b/remoting/host/chromoting_messages.h
@@ -87,13 +87,14 @@ IPC_MESSAGE_CONTROL2(ChromotingNetworkDaemonMsg_SetScreenResolution,
 
 // Serialized remoting::protocol::TransportRoute structure.
 IPC_STRUCT_BEGIN(SerializedTransportRoute)
-  IPC_STRUCT_MEMBER(int, type)
-  IPC_STRUCT_MEMBER(net::IPAddressNumber, remote_address)
-  IPC_STRUCT_MEMBER(uint16_t, remote_port)
-  IPC_STRUCT_MEMBER(net::IPAddressNumber, local_address)
-  IPC_STRUCT_MEMBER(uint16_t, local_port)
+  IPC_STRUCT_MEMBER(remoting::protocol::TransportRoute::RouteType, type)
+  IPC_STRUCT_MEMBER(net::IPEndPoint, remote_address)
+  IPC_STRUCT_MEMBER(net::IPEndPoint, local_address)
 IPC_STRUCT_END()
 
+IPC_ENUM_TRAITS_MAX_VALUE(remoting::protocol::TransportRoute::RouteType,
+                          remoting::protocol::TransportRoute::ROUTE_TYPE_MAX)
+
 // Hosts status notifications (see HostStatusObserver interface) sent by
 // IpcHostEventLogger.
 IPC_MESSAGE_CONTROL1(ChromotingNetworkDaemonMsg_AccessDenied,
@@ -268,4 +269,4 @@ IPC_MESSAGE_CONTROL1(ChromotingNetworkToRemoteSecurityKeyMsg_ConnectionDetails,
 // The array of bytes representing a security key response from the remote
 // client.  This message is sent over the per-client IPC channel.
 IPC_MESSAGE_CONTROL1(ChromotingNetworkToRemoteSecurityKeyMsg_Response,
-                     std::string /* response bytes */)
+                     std::string /* response bytes */)