Record data use of user traffic by different core page transition types

components/data_use_measurement/core/data_use_measurement.h

Index: components/data_use_measurement/core/data_use_measurement.h
diff --git a/components/data_use_measurement/core/data_use_measurement.h b/components/data_use_measurement/core/data_use_measurement.h
index ffd64f71cef36ed29172c5ac84e82fa5440878d6..545a46b9c27b1fa500610bc015e2305f49ae67eb 100644
--- a/components/data_use_measurement/core/data_use_measurement.h
+++ b/components/data_use_measurement/core/data_use_measurement.h
@@ -135,7 +135,10 @@ class DataUseMeasurement {
   void RecordTabStateHistogram(TrafficDirection dir,
                                DataUseUserData::AppState app_state,
                                bool is_tab_visible,
-                               int64_t bytes);
+                               int64_t bytes) const;
+
+  // Records data use histograms split on page tranition.
+  void RecordPageTransitionUMA(const net::URLRequest& request) const;
 
   // Classifier for identifying if an URL request is user initiated.
   std::unique_ptr<URLRequestClassifier> url_request_classifier_;