Move the Dispatcher::EntrypointClass enum out of Dispatcher to its own file.

mojo/edk/system/message_pipe_dispatcher_unittest.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.
 
 // NOTE(vtl): Some of these tests are inherently flaky (e.g., if run on a
 // heavily-loaded system). Sorry. |test::EpsilonTimeout()| may be increased to
 // increase tolerance and reduce observed flakiness (though doing so reduces the
 // meaningfulness of the test).
 
 #include "mojo/edk/system/message_pipe_dispatcher.h"
@@ skipping 162 matching lines @@
   // We need to initialize |d|.
   {
     auto d_peer = MessagePipeDispatcher::Create(
         MessagePipeDispatcher::kDefaultCreateOptions);
     auto mp = MessagePipe::CreateLocalLocal();
     d->Init(mp.Clone(), 0);
     d_peer->Init(std::move(mp), 1);
     EXPECT_EQ(MOJO_RESULT_OK, d_peer->Close());
   }
 
-  EXPECT_TRUE(
-      d->SupportsEntrypointClass(Dispatcher::EntrypointClass::MESSAGE_PIPE));
-  EXPECT_FALSE(d->SupportsEntrypointClass(
-      Dispatcher::EntrypointClass::DATA_PIPE_PRODUCER));
-  EXPECT_FALSE(d->SupportsEntrypointClass(
-      Dispatcher::EntrypointClass::DATA_PIPE_CONSUMER));
-  EXPECT_FALSE(d->SupportsEntrypointClass(Dispatcher::EntrypointClass::BUFFER));
+  EXPECT_TRUE(d->SupportsEntrypointClass(EntrypointClass::MESSAGE_PIPE));
+  EXPECT_FALSE(d->SupportsEntrypointClass(EntrypointClass::DATA_PIPE_PRODUCER));
+  EXPECT_FALSE(d->SupportsEntrypointClass(EntrypointClass::DATA_PIPE_CONSUMER));
+  EXPECT_FALSE(d->SupportsEntrypointClass(EntrypointClass::BUFFER));
 
   // TODO(vtl): Check that it actually returns |MOJO_RESULT_INVALID_ARGUMENT|
   // for methods in unsupported entrypoint classes.
 
   EXPECT_EQ(MOJO_RESULT_OK, d->Close());
 }
 
 TEST(MessagePipeDispatcherTest, InvalidParams) {
   char buffer[1];
 
@@ skipping 524 matching lines @@
   EXPECT_EQ(total_messages_written, total_messages_read);
   EXPECT_EQ(total_bytes_written, total_bytes_read);
 
   EXPECT_EQ(MOJO_RESULT_OK, d_write->Close());
   EXPECT_EQ(MOJO_RESULT_OK, d_read->Close());
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo