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

components/data_use_measurement/core/data_use_measurement.cc

Index: components/data_use_measurement/core/data_use_measurement.cc
diff --git a/components/data_use_measurement/core/data_use_measurement.cc b/components/data_use_measurement/core/data_use_measurement.cc
index 6508f99ade7c1e38116388d23aa7e36c89949ba4..c2a68f2f0bac3fd79e5c3b61a53f7c0305c84a11 100644
--- a/components/data_use_measurement/core/data_use_measurement.cc
+++ b/components/data_use_measurement/core/data_use_measurement.cc
@@ -143,6 +143,7 @@ void DataUseMeasurement::OnCompleted(const net::URLRequest& request,
   // of redirected requests.
   UpdateDataUsePrefs(request);
   ReportServicesMessageSizeUMA(request);
+  RecordPageTransitionUMA(request);
 #if defined(OS_ANDROID)
   MaybeRecordNetworkBytesOS();
 #endif
@@ -347,7 +348,7 @@ void DataUseMeasurement::RecordTabStateHistogram(
     TrafficDirection dir,
     DataUseUserData::AppState app_state,
     bool is_tab_visible,
-    int64_t bytes) {
+    int64_t bytes) const {
   if (app_state == DataUseUserData::UNKNOWN)
     return;
 
@@ -363,4 +364,19 @@ void DataUseMeasurement::RecordTabStateHistogram(
   RecordUMAHistogramCount(histogram_name, bytes);
 }
 
+void DataUseMeasurement::RecordPageTransitionUMA(
+    const net::URLRequest& request) const {
+  if (!url_request_classifier_->IsUserRequest(request))
+    return;
+
+  const DataUseRecorder* recorder = ascriber_->GetDataUseRecorder(request);
+  if (recorder) {
+    LOG(WARNING) << "DATAUSE page transition " << recorder << " " << &request

[RyanSturm, 2017/01/06 21:56:38]

remove the log before landing.

[Raj, 2017/01/10 22:21:57]

Done.

+                 << " " << recorder->page_transition() << " "
+                 << request.GetTotalReceivedBytes();
+    url_request_classifier_->RecordPageTransitionUMA(
+        recorder->page_transition(), request.GetTotalReceivedBytes());
+  }
+}
+
 }  // namespace data_use_measurement