Revert of Adds the ability for the renderer to create the mojo channel

content/common/mojo/mojo_messages.h

Index: content/common/mojo/mojo_messages.h
diff --git a/content/common/mojo/mojo_messages.h b/content/common/mojo/mojo_messages.h
deleted file mode 100644
index 31cea20f175746393e1e216729b157985096006e..0000000000000000000000000000000000000000
--- a/content/common/mojo/mojo_messages.h
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright (c) 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.
-
-// IPC messages for mojo.
-// Multiply-included message file, hence no include guard.
-
-#include "base/basictypes.h"
-#include "content/common/content_export.h"
-#include "content/public/common/common_param_traits.h"
-#include "ipc/ipc_message_macros.h"
-#include "ipc/ipc_message_utils.h"
-#include "ipc/ipc_param_traits.h"
-#include "ipc/param_traits_macros.h"
-
-#undef IPC_MESSAGE_EXPORT
-#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
-
-#define IPC_MESSAGE_START MojoMsgStart
-
-IPC_MESSAGE_CONTROL1(MojoMsg_ChannelCreated,
-                     IPC::PlatformFileForTransit /* handle */);