Standardize "net" category trace events

net/nqe/network_quality_estimator.cc

 // 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 "net/nqe/network_quality_estimator.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <utility>
@@ skipping 10 matching lines @@
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/default_tick_clock.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "net/base/load_flags.h"
 #include "net/base/load_timing_info.h"
 #include "net/base/network_interfaces.h"
+#include "net/base/trace_constants.h"
 #include "net/base/url_util.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_response_info.h"
 #include "net/http/http_status_code.h"
 #include "net/nqe/network_quality_estimator_params.h"
 #include "net/nqe/socket_watcher_factory.h"
 #include "net/nqe/throughput_analyzer.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_status.h"
 #include "url/gurl.h"
@@ skipping 319 matching lines @@
     const URLRequest& request) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   if (!RequestSchemeIsHTTPOrHTTPS(request))
     return;
 
   throughput_analyzer_->NotifyStartTransaction(request);
 }
 
 void NetworkQualityEstimator::NotifyHeadersReceived(const URLRequest& request) {
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("net"),
+  TRACE_EVENT0(kNetTracingCategory,
                "NetworkQualityEstimator::NotifyHeadersReceived");
   DCHECK(thread_checker_.CalledOnValidThread());
 
   if (!RequestSchemeIsHTTPOrHTTPS(request) ||
       !RequestProvidesRTTObservation(request)) {
     return;
   }
 
   const base::TimeTicks now = tick_clock_->NowTicks();
 
@@ skipping 146 matching lines @@
         recent_http_rtt.InMilliseconds();
 
     RecordRTTAccuracy("NQE.ExternalEstimateProvider.RTT.Accuracy",
                       estimated_observed_diff_milliseconds, measuring_duration,
                       recent_http_rtt);
   }
 }
 
 void NetworkQualityEstimator::NotifyRequestCompleted(const URLRequest& request,
                                                      int net_error) {
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("net"),
+  TRACE_EVENT0(kNetTracingCategory,
                "NetworkQualityEstimator::NotifyRequestCompleted");
   DCHECK(thread_checker_.CalledOnValidThread());
 
   if (!RequestSchemeIsHTTPOrHTTPS(request))
     return;
 
   throughput_analyzer_->NotifyRequestCompleted(request);
   RecordCorrelationMetric(request, net_error);
 }
 
@@ skipping 1010 matching lines @@
 void NetworkQualityEstimator::OnPrefsRead(
     const std::map<nqe::internal::NetworkID,
                    nqe::internal::CachedNetworkQuality> read_prefs) {
   DCHECK(thread_checker_.CalledOnValidThread());
   UMA_HISTOGRAM_COUNTS("NQE.Prefs.ReadSize", read_prefs.size());
   // TODO(tbansal): crbug.com/490870. Incorporate the network quality into the
   // current estimates.
 }
 
 }  // namespace net