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// Copyright 2015 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.
// This file contains IPC messages for controlling memory pressure handling
// in child processes for the purposes of enforcing consistent conditions
// across memory measurements.
// Multiply-included message header, no traditional include guard.
#include "base/memory/memory_pressure_listener.h"
#include "ipc/ipc_message_macros.h"
#include "content/common/content_export.h"
#undef IPC_MESSAGE_EXPORT
#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
#define IPC_MESSAGE_START MemoryMsgStart
IPC_ENUM_TRAITS_VALIDATE(
base::MemoryPressureListener::MemoryPressureLevel,
(value == base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE ||
value == base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL))
// Sent to all child processes to enable/disable suppressing memory pressure
// notifications.
IPC_MESSAGE_CONTROL1(MemoryMsg_SetPressureNotificationsSuppressed,
bool /* suppressed */)
// Sent to all child processes to simulate a memory pressure notification.
IPC_MESSAGE_CONTROL1(
MemoryMsg_SimulatePressureNotification,
base::MemoryPressureListener::MemoryPressureLevel /* level */)
// Sent by the browser to all child processes to indicate an actual memory
// pressure notification.
IPC_MESSAGE_CONTROL1(
MemoryMsg_PressureNotification,
base::MemoryPressureListener::MemoryPressureLevel /* level */)
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