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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.
- #include "base/memory/memory_pressure_monitor.h"
- #include "base/check.h"
- #include "base/metrics/histogram.h"
- #include "base/notreached.h"
- namespace base {
- namespace {
- MemoryPressureMonitor* g_monitor = nullptr;
- } // namespace
- MemoryPressureMonitor::MemoryPressureMonitor() {
- DCHECK(!g_monitor);
- g_monitor = this;
- }
- MemoryPressureMonitor::~MemoryPressureMonitor() {
- DCHECK(g_monitor);
- g_monitor = nullptr;
- }
- // static
- MemoryPressureMonitor* MemoryPressureMonitor::Get() {
- return g_monitor;
- }
- } // namespace base
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