PPAPI/NaCl: Restrict ppapi messages to unblock only ppapi

content/renderer/renderer_restrict_dispatch_group.h

-// Copyright (c) 2012 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 CONTENT_RENDERER_RESTRICT_DISPATCH_GROUP_H_
-#define CONTENT_RENDERER_RESTRICT_DISPATCH_GROUP_H_
-
-#include "ipc/ipc_sync_channel.h"
-
-namespace content {
-
-// This represents all dispatch groups used in the renderer. Dispatch groups
-// allow channels to restrict in which case incoming messages can re-enter while
-// a synchronous message is sent on another channel. See
-// IPC::SyncChannel::SetRestrictDispatchChannelGroup.
-enum RendererRestrictDispatchGroup {
-  kRendererRestrictDispatchGroup_None =
-      IPC::SyncChannel::kRestrictDispatchGroup_None,
-  kRendererRestrictDispatchGroup_Pepper,
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_RESTRICT_DISPATCH_GROUP_H_