IPC: change sync channel dispatch restriction to allow dispatch to other channels within the same "…

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_
+#pragma once
+
+#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_