Convert mojo::system::ChannelEndpointClient to use our new refcounting stuff (instead of base's).

mojo/edk/system/endpoint_relayer.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/endpoint_relayer.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "mojo/edk/system/channel_endpoint.h"
 #include "mojo/edk/system/message_in_transit.h"
 
 namespace mojo {
 namespace system {
 
-EndpointRelayer::EndpointRelayer() {
-}
-
 // static
 unsigned EndpointRelayer::GetPeerPort(unsigned port) {
   DCHECK(port == 0 || port == 1);
   return port ^ 1;
 }
 
 void EndpointRelayer::Init(RefPtr<ChannelEndpoint>&& endpoint0,
                            RefPtr<ChannelEndpoint>&& endpoint1) {
   DCHECK(endpoint0);
   DCHECK(endpoint1);
@@ skipping 41 matching lines @@
     endpoints_[port] = nullptr;
   }
 
   unsigned peer_port = GetPeerPort(port);
   if (endpoints_[peer_port]) {
     endpoints_[peer_port]->DetachFromClient();
     endpoints_[peer_port] = nullptr;
   }
 }
 
+EndpointRelayer::EndpointRelayer() {}
+
 EndpointRelayer::~EndpointRelayer() {
   DCHECK(!endpoints_[0]);
   DCHECK(!endpoints_[1]);
 }
 
 }  // namespace system
 }  // namespace mojo