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

mojo/edk/system/incoming_endpoint.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/incoming_endpoint.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "mojo/edk/system/channel_endpoint.h"
 #include "mojo/edk/system/data_pipe.h"
 #include "mojo/edk/system/message_in_transit.h"
 #include "mojo/edk/system/message_pipe.h"
 #include "mojo/edk/system/remote_producer_data_pipe_impl.h"
 
+using mojo::util::MakeRefCounted;
+using mojo::util::RefPtr;
+
 namespace mojo {
 namespace system {
 
 RefPtr<ChannelEndpoint> IncomingEndpoint::Init() {
   endpoint_ =
       MakeRefCounted<ChannelEndpoint>(RefPtr<IncomingEndpoint>(this), 0);
   return endpoint_;
 }
 
 RefPtr<MessagePipe> IncomingEndpoint::ConvertToMessagePipe() {
@@ skipping 45 matching lines @@
 void IncomingEndpoint::OnDetachFromChannel(unsigned /*port*/) {
   Close();
 }
 
 IncomingEndpoint::IncomingEndpoint() {}
 
 IncomingEndpoint::~IncomingEndpoint() {}
 
 }  // namespace system
 }  // namespace mojo