For c++, Generate enum classes instead of enum from mojom.

services/http_server/http_server_factory_impl.cc

 // Copyright 2015 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 "services/http_server/http_server_factory_impl.h"
 
 #include "base/stl_util.h"
 #include "mojo/services/http_server/public/interfaces/http_server.mojom.h"
 #include "services/http_server/http_server_impl.h"
 
@@ skipping 31 matching lines @@
 
     delete server;
     port_any_servers_.erase(server);
   }
 }
 
 HttpServerFactoryImpl::ServerKey HttpServerFactoryImpl::GetServerKey(
     mojo::NetAddress* local_address) {
   DCHECK(local_address);
 
-  if (local_address->family == mojo::NET_ADDRESS_FAMILY_IPV6) {
+  if (local_address->family == mojo::NetAddressFamily::IPV6) {
     return ServerKey(local_address->ipv6->addr, local_address->ipv6->port);
-  } else if (local_address->family == mojo::NET_ADDRESS_FAMILY_IPV4) {
+  } else if (local_address->family == mojo::NetAddressFamily::IPV4) {
     return ServerKey(local_address->ipv4->addr, local_address->ipv4->port);
   } else {
     return ServerKey();
   }
 }
 
 void HttpServerFactoryImpl::CreateHttpServer(
     mojo::InterfaceRequest<HttpServer> server_request,
     mojo::NetAddressPtr local_address) {
   if (!local_address) {
     local_address = mojo::NetAddress::New();
-    local_address->family = mojo::NET_ADDRESS_FAMILY_IPV4;
+    local_address->family = mojo::NetAddressFamily::IPV4;
     local_address->ipv4 = mojo::NetAddressIPv4::New();
     local_address->ipv4->addr.resize(4);
     local_address->ipv4->addr[0] = 0;
     local_address->ipv4->addr[1] = 0;
     local_address->ipv4->addr[2] = 0;
     local_address->ipv4->addr[3] = 0;
     local_address->ipv4->port = 0;
   }
   ServerKey key = GetServerKey(local_address.get());
 
   if (key.second) {  // If the port is non-zero.
     if (!port_indicated_servers_.count(key)) {
       port_indicated_servers_[key] =
           new HttpServerImpl(app_, this, local_address.Pass());
     }
     port_indicated_servers_[key]->AddBinding(server_request.Pass());
   } else {
     HttpServerImpl* server =
         new HttpServerImpl(app_, this, local_address.Pass());
     server->AddBinding(server_request.Pass());
     port_any_servers_.insert(server);
   }
 }
 
 }  // namespace http_server