"typedef Foo Bar" -> "using Bar = Foo" in //mojo/edk/....

mojo/edk/embedder/master_process_delegate.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_EMBEDDER_MASTER_PROCESS_DELEGATE_H_
 #define MOJO_EDK_EMBEDDER_MASTER_PROCESS_DELEGATE_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "mojo/edk/embedder/process_delegate.h"
 #include "mojo/edk/system/system_impl_export.h"
 
 namespace mojo {
 namespace embedder {
 
-typedef void* SlaveInfo;
+using SlaveInfo = void*;
 
 // An interface for the master process delegate (which lives in the master
 // process).
 class MOJO_SYSTEM_IMPL_EXPORT MasterProcessDelegate : public ProcessDelegate {
  public:
   ProcessType GetType() const override;
 
   // Called when contact with the slave process specified by |slave_info| has
   // been lost.
   // TODO(vtl): Obviously, there needs to be a suitable embedder API for
   // connecting to a process. What will it be? Mention that here once it exists.
   virtual void OnSlaveDisconnect(SlaveInfo slave_info) = 0;
 
  protected:
   MasterProcessDelegate() {}
   ~MasterProcessDelegate() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MasterProcessDelegate);
 };
 
 inline ProcessType MasterProcessDelegate::GetType() const {
   return ProcessType::MASTER;
 }
 
 }  // namespace embedder
 }  // namespace mojo
 
 #endif  // MOJO_EDK_EMBEDDER_MASTER_PROCESS_DELEGATE_H_