| // Copyright 2020 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 "cc/metrics/custom_metrics_recorder.h" |
| |
| #include "base/check_op.h" |
| |
| namespace cc { |
| namespace { |
| |
| CustomMetricRecorder* g_instance = nullptr; |
| |
| } // namespace |
| |
| // static |
| CustomMetricRecorder* CustomMetricRecorder::Get() { |
| return g_instance; |
| } |
| |
| CustomMetricRecorder::CustomMetricRecorder() { |
| DCHECK_EQ(nullptr, g_instance); |
| g_instance = this; |
| } |
| |
| CustomMetricRecorder::~CustomMetricRecorder() { |
| DCHECK_EQ(this, g_instance); |
| g_instance = nullptr; |
| } |
| |
| } // namespace cc |