EDK: Move ref counting classes to mojo/edk/util.

mojo/edk/system/channel_manager.cc

 // Copyright 2014 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 "mojo/edk/system/channel_manager.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "mojo/edk/system/channel.h"
 #include "mojo/edk/system/channel_endpoint.h"
 #include "mojo/edk/system/message_pipe_dispatcher.h"
 
+using mojo::util::MakeRefCounted;
+using mojo::util::RefPtr;
+
 namespace mojo {
 namespace system {
 
 namespace {
 
 // TODO(vtl): |channel| should be an rvalue reference, but that currently
 // doesn't work with base::Bind.
 void ShutdownChannelHelper(
     RefPtr<Channel> channel,
     const base::Closure& callback,
@@ skipping 171 matching lines @@
   CreateChannelOnIOThreadHelper(channel_id, platform_handle.Pass(),
                                 std::move(bootstrap_channel_endpoint));
   if (callback_thread_task_runner)
     embedder::PlatformPostTask(callback_thread_task_runner.get(), callback);
   else
     callback.Run();
 }
 
 }  // namespace system
 }  // namespace mojo