Change the string representation of Slow2G ECT

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 173 matching lines @@
       histogram_name, 1, 1000 * 1000 /* 1 Gbps */, 50 /* Number of buckets */,
       base::HistogramBase::kUmaTargetedHistogramFlag);
   histogram->Add(std::abs(metric));
 }
 
 void RecordEffectiveConnectionTypeAccuracy(
     const char* prefix,
     int32_t metric,
     base::TimeDelta measuring_duration,
     EffectiveConnectionType observed_effective_connection_type) {
-  const std::string histogram_name = base::StringPrintf(
-      "%s.EstimatedObservedDiff.%s.%d.%s", prefix,
-      metric >= 0 ? "Positive" : "Negative",
-      static_cast<int32_t>(measuring_duration.InSeconds()),
-      GetNameForEffectiveConnectionType(observed_effective_connection_type));
+  const std::string histogram_name =
+      base::StringPrintf("%s.EstimatedObservedDiff.%s.%d.%s", prefix,
+                         metric >= 0 ? "Positive" : "Negative",
+                         static_cast<int32_t>(measuring_duration.InSeconds()),
+                         DeprecatedGetNameForEffectiveConnectionType(
+                             observed_effective_connection_type));
 
   base::HistogramBase* histogram = base::Histogram::FactoryGet(
       histogram_name, 0, EFFECTIVE_CONNECTION_TYPE_LAST,
       EFFECTIVE_CONNECTION_TYPE_LAST /* Number of buckets */,
       base::HistogramBase::kUmaTargetedHistogramFlag);
   histogram->Add(std::abs(metric));
 }
 
 }  // namespace
 
@@ skipping 1515 matching lines @@
         NETWORK_QUALITY_OBSERVATION_SOURCE_HTTP_CACHED_ESTIMATE);
     downstream_throughput_kbps_observations_.AddObservation(
         throughput_observation);
     NotifyObserversOfThroughput(throughput_observation);
   }
 
   ComputeEffectiveConnectionType();
 }
 
 }  // namespace net