chromium/components/memory_pressure/multi_source_memory_pressure_monitor.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/memory_pressure/multi_source_memory_pressure_monitor.h"

#include "base/check_op.h"
#include "base/functional/bind.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/time/time.h"
#include "base/trace_event/base_tracing.h"
#include "base/tracing_buildflags.h"
#include "components/memory_pressure/system_memory_pressure_evaluator.h"

#if BUILDFLAG(ENABLE_BASE_TRACING)
#include "base/trace_event/memory_pressure_level_proto.h"  // no-presubmit-check
#endif

namespace memory_pressure {

MultiSourceMemoryPressureMonitor::MultiSourceMemoryPressureMonitor()
    : … { … }

MultiSourceMemoryPressureMonitor::~MultiSourceMemoryPressureMonitor() { … }

void MultiSourceMemoryPressureMonitor::MaybeStartPlatformVoter() { … }

base::MemoryPressureListener::MemoryPressureLevel
MultiSourceMemoryPressureMonitor::GetCurrentPressureLevel() const { … }

std::unique_ptr<MemoryPressureVoter>
MultiSourceMemoryPressureMonitor::CreateVoter() { … }

void MultiSourceMemoryPressureMonitor::OnMemoryPressureLevelChanged(
    base::MemoryPressureListener::MemoryPressureLevel level) { … }

void MultiSourceMemoryPressureMonitor::OnNotifyListenersRequested() { … }

void MultiSourceMemoryPressureMonitor::SetSystemEvaluator(
    std::unique_ptr<SystemMemoryPressureEvaluator> evaluator) { … }

void MultiSourceMemoryPressureMonitor::SetDispatchCallbackForTesting(
    const DispatchCallback& callback) { … }

}  // namespace memory_pressure