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

mojo/edk/system/ipc_support.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 "mojo/edk/system/ipc_support.h"
 
 #include <type_traits>
 
 #include "base/logging.h"
 #include "mojo/edk/embedder/master_process_delegate.h"
 #include "mojo/edk/embedder/slave_process_delegate.h"
 #include "mojo/edk/system/channel_manager.h"
 #include "mojo/edk/system/master_connection_manager.h"
 #include "mojo/edk/system/message_pipe_dispatcher.h"
 #include "mojo/edk/system/slave_connection_manager.h"
 
+using mojo::util::RefPtr;
+
 namespace mojo {
 namespace system {
 
 IPCSupport::IPCSupport(
     embedder::PlatformSupport* platform_support,
     embedder::ProcessType process_type,
     embedder::PlatformTaskRunnerRefPtr delegate_thread_task_runner,
     embedder::ProcessDelegate* process_delegate,
     embedder::PlatformTaskRunnerRefPtr io_thread_task_runner,
     embedder::ScopedPlatformHandle platform_handle)
@@ skipping 133 matching lines @@
   CHECK_EQ(connection_manager()->Connect(connection_id, &peer_id, &is_first,
                                          &platform_connection_handle),
            ConnectionManager::Result::SUCCESS_CONNECT_NEW_CONNECTION);
   DCHECK_EQ(peer_id, system::kMasterProcessIdentifier);
   DCHECK(platform_connection_handle.is_valid());
   return platform_connection_handle;
 }
 
 }  // namespace system
 }  // namespace mojo