Make Dispatcher::Type an enum class.

mojo/edk/system/message_pipe_dispatcher.cc

 // 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.
 
 #include "mojo/edk/system/message_pipe_dispatcher.h"
 
 #include "base/logging.h"
 #include "mojo/edk/system/configuration.h"
 #include "mojo/edk/system/local_message_pipe_endpoint.h"
 #include "mojo/edk/system/memory.h"
@@ skipping 50 matching lines @@
 void MessagePipeDispatcher::Init(scoped_refptr<MessagePipe> message_pipe,
                                  unsigned port) {
   DCHECK(message_pipe);
   DCHECK(port == 0 || port == 1);
 
   message_pipe_ = message_pipe;
   port_ = port;
 }
 
 Dispatcher::Type MessagePipeDispatcher::GetType() const {
-  return kTypeMessagePipe;
+  return Type::MESSAGE_PIPE;
 }
 
 // static
 scoped_refptr<MessagePipeDispatcher>
 MessagePipeDispatcher::CreateRemoteMessagePipe(
     scoped_refptr<ChannelEndpoint>* channel_endpoint) {
   scoped_refptr<MessagePipe> message_pipe(
       MessagePipe::CreateLocalProxy(channel_endpoint));
   scoped_refptr<MessagePipeDispatcher> dispatcher(
       new MessagePipeDispatcher(MessagePipeDispatcher::kDefaultCreateOptions));
@@ skipping 134 matching lines @@
   message_pipe_ = nullptr;
   port_ = kInvalidPort;
   return rv;
 }
 
 // MessagePipeDispatcherTransport ----------------------------------------------
 
 MessagePipeDispatcherTransport::MessagePipeDispatcherTransport(
     DispatcherTransport transport)
     : DispatcherTransport(transport) {
-  DCHECK_EQ(message_pipe_dispatcher()->GetType(), Dispatcher::kTypeMessagePipe);
+  DCHECK_EQ(message_pipe_dispatcher()->GetType(),
+            Dispatcher::Type::MESSAGE_PIPE);
 }
 
 }  // namespace system
 }  // namespace mojo