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

mojo/edk/system/dispatcher.h

 // Copyright 2013 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_DISPATCHER_H_
 #define MOJO_EDK_SYSTEM_DISPATCHER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 23 matching lines @@
 class Channel;
 class Core;
 class Dispatcher;
 class DispatcherTransport;
 class HandleTable;
 class LocalMessagePipeEndpoint;
 class ProxyMessagePipeEndpoint;
 class TransportData;
 class Awakable;
 
-typedef std::vector<scoped_refptr<Dispatcher>> DispatcherVector;
+using DispatcherVector = std::vector<scoped_refptr<Dispatcher>>;
 
 namespace test {
 
 // Test helper. We need to declare it here so we can friend it.
 MOJO_SYSTEM_IMPL_EXPORT DispatcherTransport
 DispatcherTryStartTransport(Dispatcher* dispatcher);
 
 }  // namespace test
 
 // A |Dispatcher| implements Mojo primitives that are "attached" to a particular
@@ skipping 341 matching lines @@
 
   Dispatcher* dispatcher_;
 
   // Copy and assign allowed.
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_DISPATCHER_H_