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

mojo/edk/system/master_connection_manager.h

 // 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.
 
 #ifndef MOJO_EDK_SYSTEM_MASTER_CONNECTION_MANAGER_H_
 #define MOJO_EDK_SYSTEM_MASTER_CONNECTION_MANAGER_H_
 
 #include <stdint.h>
 
 #include <unordered_map>
 
-#include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
 #include "mojo/edk/embedder/platform_task_runner.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "mojo/edk/system/connection_manager.h"
 #include "mojo/edk/system/mutex.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace base {
 class TaskRunner;
 }
@@ skipping 147 matching lines @@
   std::unordered_map<ProcessIdentifier, ProcessConnections*> connections_
       MOJO_GUARDED_BY(mutex_);  // Owns its values.
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(MasterConnectionManager);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_MASTER_CONNECTION_MANAGER_H_