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// Copyright 2019 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_COMMON_UNFREEZABLE_FRAME_MESSAGES_H_
#define CONTENT_COMMON_UNFREEZABLE_FRAME_MESSAGES_H_
#include "ipc/ipc_message_macros.h"
// IPC messages for frames which should be executed and not be frozen even when
// the frame is frozen.
// Currently most IPC messages to the renderer are executed on freezable
// per-frame task runners, but messages in this class will be handled as an
// exception and will be posted on an unfreezable task runner and will be
// guaranteed to run regardless of the frame's status.
// These messages are primarily intended to support bfcache functionality.
#undef IPC_MESSAGE_EXPORT
#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
#define IPC_MESSAGE_START UnfreezableFrameMsgStart
// Unload this RenderFrame and potentially replace it by a RenderFrameProxy, so
// the frame can navigate to a document rendered by a different process.
IPC_MESSAGE_ROUTED3(UnfreezableFrameMsg_Unload,
int /* proxy_routing_id */,
bool /* is_loading */,
content::FrameReplicationState /* replication_state */)
// Instructs the renderer to delete the RenderFrame.
IPC_MESSAGE_ROUTED1(UnfreezableFrameMsg_Delete, content::FrameDeleteIntention)
// Requests the corresponding RenderFrameProxy to be deleted and removed from
// the frame tree.
IPC_MESSAGE_ROUTED0(UnfreezableFrameMsg_DeleteProxy)
#endif // CONTENT_COMMON_UNFREEZABLE_FRAME_MESSAGES_H_
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