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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "base/lazy_instance.h"
6 #include "net/base/bandwidth_metrics.h"
7 
8 static base::LazyInstance<net::BandwidthMetrics> g_bandwidth_metrics(
9     base::LINKER_INITIALIZED);
10 
11 namespace net {
12 
ScopedBandwidthMetrics()13 ScopedBandwidthMetrics::ScopedBandwidthMetrics()
14     : started_(false) {
15 }
16 
~ScopedBandwidthMetrics()17 ScopedBandwidthMetrics::~ScopedBandwidthMetrics() {
18   if (started_)
19     g_bandwidth_metrics.Get().StopStream();
20 }
21 
StartStream()22 void ScopedBandwidthMetrics::StartStream() {
23   started_ = true;
24   g_bandwidth_metrics.Get().StartStream();
25 }
26 
StopStream()27 void ScopedBandwidthMetrics::StopStream() {
28   started_ = false;
29   g_bandwidth_metrics.Get().StopStream();
30 }
31 
RecordBytes(int bytes)32 void ScopedBandwidthMetrics::RecordBytes(int bytes) {
33   g_bandwidth_metrics.Get().RecordBytes(bytes);
34 }
35 
36 }  // namespace net
37