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

mojo/edk/system/handle_table.h

 // Copyright 2014 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_HANDLE_TABLE_H_
 #define MOJO_EDK_SYSTEM_HANDLE_TABLE_H_
 
 #include <utility>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/c/system/types.h"
 
 namespace mojo {
 namespace system {
 
 class Core;
 class Dispatcher;
 class DispatcherTransport;
 
-typedef std::vector<scoped_refptr<Dispatcher>> DispatcherVector;
+using DispatcherVector = std::vector<scoped_refptr<Dispatcher>>;
 
 // Test-only function (defined/used in embedder/test_embedder.cc). Declared here
 // so it can be friended.
 namespace internal {
 bool ShutdownCheckNoLeaks(Core*);
 }
 
 // This class provides the (global) handle table (owned by |Core|), which maps
 // (valid) |MojoHandle|s to |Dispatcher|s. This is abstracted so that, e.g.,
 // caching may be added.
@@ skipping 84 matching lines @@
   // This prevents |Core::WriteMessage()| from sending a handle that has been
   // closed (or learning about this too late).
   struct Entry {
     Entry();
     explicit Entry(const scoped_refptr<Dispatcher>& dispatcher);
     ~Entry();
 
     scoped_refptr<Dispatcher> dispatcher;
     bool busy;
   };
-  typedef base::hash_map<MojoHandle, Entry> HandleToEntryMap;
+  using HandleToEntryMap = base::hash_map<MojoHandle, Entry>;
 
   // Adds the given dispatcher to the handle table, not doing any size checks.
   MojoHandle AddDispatcherNoSizeCheck(
       const scoped_refptr<Dispatcher>& dispatcher);
 
   HandleToEntryMap handle_to_entry_map_;
   MojoHandle next_handle_;  // Invariant: never |MOJO_HANDLE_INVALID|.
 
   DISALLOW_COPY_AND_ASSIGN(HandleTable);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_HANDLE_TABLE_H_