Support for identifying traffic type in data use ascriber

chrome/browser/data_use_measurement/chrome_data_use_ascriber.h

Index: chrome/browser/data_use_measurement/chrome_data_use_ascriber.h
diff --git a/chrome/browser/data_use_measurement/chrome_data_use_ascriber.h b/chrome/browser/data_use_measurement/chrome_data_use_ascriber.h
index f1e9b7b35dc0f327126059dbe40077bda897f551..24e957e80e518dd9b9a98cf378765b2733169101 100644
--- a/chrome/browser/data_use_measurement/chrome_data_use_ascriber.h
+++ b/chrome/browser/data_use_measurement/chrome_data_use_ascriber.h
@@ -142,7 +142,9 @@ class ChromeDataUseAscriber : public DataUseAscriber {
 
   void OnDataUseCompleted(DataUseRecorderEntry entry);
 
-  DataUseRecorderEntry CreateNewDataUseRecorder(net::URLRequest* request);
+  DataUseRecorderEntry CreateNewDataUseRecorder(
+      net::URLRequest* request,
+      DataUse::TrafficType traffic_type);
 
   bool IsRecorderInPendingNavigationMap(net::URLRequest* request);