[Extensions] Extension Port Ids and Initialization 2.0

chrome/browser/extensions/api/messaging/native_message_port.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 "chrome/browser/extensions/api/messaging/native_message_port.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 68 matching lines @@
 
 void NativeMessagePort::Core::CloseChannel(const std::string& error_message) {
   DCHECK(host_task_runner_->BelongsToCurrentThread());
   message_service_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&NativeMessagePort::CloseChannel, port_, error_message));
 }
 
 NativeMessagePort::NativeMessagePort(
     base::WeakPtr<MessageService> message_service,
-    int port_id,
+    const PortId& port_id,
     std::unique_ptr<NativeMessageHost> native_message_host)
     : weak_message_service_(message_service),
       host_task_runner_(native_message_host->task_runner()),
       port_id_(port_id),
       weak_factory_(this) {
   core_.reset(new Core(std::move(native_message_host),
                        weak_factory_.GetWeakPtr(),
                        base::ThreadTaskRunnerHandle::Get()));
 }
 
@@ skipping 25 matching lines @@
 }
 
 void NativeMessagePort::CloseChannel(const std::string& error_message) {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (weak_message_service_) {
     weak_message_service_->CloseChannel(port_id_, error_message);
   }
 }
 
 }  // namespace extensions