EDK: Add HandleTable::AddHandleVector().

mojo/edk/system/handle.h

 // Copyright 2016 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_H_
 #define MOJO_EDK_SYSTEM_HANDLE_H_
 
+#include <vector>
+
 #include "mojo/edk/util/ref_ptr.h"
 #include "mojo/public/c/system/handle.h"
 
 namespace mojo {
 namespace system {
 
 class Dispatcher;
 
 // Struct that represents what a handle *value* refers to (via the handle
 // table) -- a dispatcher and a (bit)set of rights.
@@ skipping 17 matching lines @@
 
   void reset() { *this = Handle(); }
 
   // Note: |dispatcher| is guaranteed to be null if default-constructed or
   // moved-from, but we make no guarantees about the value of |rights| in either
   // case.
   util::RefPtr<Dispatcher> dispatcher;
   MojoHandleRights rights;
 };
 
+using HandleVector = std::vector<Handle>;
+
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_HANDLE_H_