EDK: Add Dispatcher::SupportsEntrypointClass().

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 <utility>
 
 #include "base/logging.h"
 #include "mojo/edk/system/configuration.h"
@@ skipping 53 matching lines @@
   DCHECK(port == 0 || port == 1);
 
   message_pipe_ = std::move(message_pipe);
   port_ = port;
 }
 
 Dispatcher::Type MessagePipeDispatcher::GetType() const {
   return Type::MESSAGE_PIPE;
 }
 
+bool MessagePipeDispatcher::SupportsEntrypointClass(
+    EntrypointClass entrypoint_class) const {
+  return (entrypoint_class == EntrypointClass::MESSAGE_PIPE);
+}
+
 // static
 RefPtr<MessagePipeDispatcher> MessagePipeDispatcher::CreateRemoteMessagePipe(
     RefPtr<ChannelEndpoint>* channel_endpoint) {
   auto message_pipe = MessagePipe::CreateLocalProxy(channel_endpoint);
   auto dispatcher = MessagePipeDispatcher::Create(kDefaultCreateOptions);
   dispatcher->Init(std::move(message_pipe), 0);
   return dispatcher;
 }
 
 // static
@@ skipping 135 matching lines @@
 
 MessagePipeDispatcherTransport::MessagePipeDispatcherTransport(
     DispatcherTransport transport)
     : DispatcherTransport(transport) {
   DCHECK_EQ(message_pipe_dispatcher()->GetType(),
             Dispatcher::Type::MESSAGE_PIPE);
 }
 
 }  // namespace system
 }  // namespace mojo