Connecting UserClassifier to NtpSnippetsFetcher

components/ntp_snippets/user_classifier.cc

 // Copyright 2016 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 "components/ntp_snippets/user_classifier.h"
 
 #include <algorithm>
 #include <cfloat>
 #include <string>
 
@@ skipping 262 matching lines @@
   }
 
   if (GetEstimatedAvgTime(Metric::SUGGESTIONS_SHOWN) <=
       active_consumer_scrolls_at_least_once_per_hours_) {
     return UserClass::ACTIVE_SUGGESTIONS_CONSUMER;
   }
 
   return UserClass::ACTIVE_NTP_USER;
 }
 
+std::string UserClassifier::GetUserClassNameForProto() const {
+  switch (GetUserClass()) {
+    case UserClass::RARE_NTP_USER:
+      return "RARE_NTP_USER";
+    case UserClass::ACTIVE_NTP_USER:
+      return "ACTIVE_NTP_USER";
+    case UserClass::ACTIVE_SUGGESTIONS_CONSUMER:
+      return "ACTIVE_SUGGESTIONS_CONSUMER";
+  }
+  NOTREACHED();
+  return std::string();
+}
+
 std::string UserClassifier::GetUserClassDescriptionForDebugging() const {
   switch (GetUserClass()) {
     case UserClass::RARE_NTP_USER:
       return "Rare user of the NTP";
     case UserClass::ACTIVE_NTP_USER:
       return "Active user of the NTP";
     case UserClass::ACTIVE_SUGGESTIONS_CONSUMER:
       return "Active consumer of NTP suggestions";
   }
   NOTREACHED();
@@ skipping 71 matching lines @@
 
 void UserClassifier::SetMetricValue(Metric metric, double metric_value) {
   pref_service_->SetDouble(kMetricKeys[static_cast<int>(metric)], metric_value);
 }
 
 void UserClassifier::ClearMetricValue(Metric metric) {
   pref_service_->ClearPref(kMetricKeys[static_cast<int>(metric)]);
 }
 
 }  // namespace ntp_snippets