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

mojo/edk/system/message_in_transit.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_MESSAGE_IN_TRANSIT_H_
 #define MOJO_EDK_SYSTEM_MESSAGE_IN_TRANSIT_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 25 matching lines @@
 // The main buffer consists of the header (of type |Header|, which is an
 // internal detail of this class) followed immediately by the message data
 // (accessed by |bytes()| and of size |num_bytes()|, and also
 // |kMessageAlignment|-byte aligned), and then any padding needed to make the
 // main buffer a multiple of |kMessageAlignment| bytes in size.
 //
 // See |TransportData| for a description of the (serialized) transport data
 // buffer.
 class MOJO_SYSTEM_IMPL_EXPORT MessageInTransit {
  public:
-  typedef uint16_t Type;
+  using Type = uint16_t;
   // Messages that are forwarded to endpoint clients.
   static const Type kTypeEndpointClient = 0;
   // Messages that are consumed by the |ChannelEndpoint|.
   static const Type kTypeEndpoint = 1;
   // Messages that are consumed by the |Channel|.
   static const Type kTypeChannel = 2;
   // Messages that are consumed by the |RawChannel| (implementation).
   static const Type kTypeRawChannel = 3;
   // |ConnectionManager| implementations also use |RawChannel|s.
   // Messages sent to a |MasterConnectionManager|.
   static const Type kTypeConnectionManager = 4;
   // Messages sent by a |MasterConnectionManager| (all responses).
   static const Type kTypeConnectionManagerAck = 5;
 
-  typedef uint16_t Subtype;
+  using Subtype = uint16_t;
   // Subtypes for type |kTypeEndpointClient|:
   // Message pipe or data pipe data (etc.).
   static const Subtype kSubtypeEndpointClientData = 0;
   // Data pipe: consumer -> producer message that data was consumed. Payload is
   // |RemoteDataPipeAck|.
   static const Subtype kSubtypeEndpointClientDataPipeAck = 1;
   // Subtypes for type |kTypeEndpoint|:
   // TODO(vtl): Nothing yet.
   // Subtypes for type |kTypeChannel|:
   static const Subtype kSubtypeChannelAttachAndRunEndpoint = 0;
@@ skipping 206 matching lines @@
   // some reason.)
   scoped_ptr<DispatcherVector> dispatchers_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageInTransit);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_MESSAGE_IN_TRANSIT_H_