Record the data use of service worker initiated requests

components/data_use_measurement/core/data_use_measurement.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 "components/data_use_measurement/core/data_use_measurement.h"
 
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
@@ skipping 99 matching lines @@
         DataUseUserData::ServiceName::NOT_TAGGED;
     if (!url_request_classifier_->IsUserRequest(*request) &&
         domain_reliability::DomainReliabilityUploader::
             OriginatedFromDomainReliability(*request)) {
       // Detect if the request originated from DomainReliability.
       // DataUseUserData::AttachToFetcher() cannot be called from domain
       // reliability, since it sets userdata on URLFetcher for its purposes.
       service_name = DataUseUserData::ServiceName::DOMAIN_RELIABILITY;
     } else if (gaia::RequestOriginatedFromGaia(*request)) {
       service_name = DataUseUserData::ServiceName::GAIA;
+    } else if (url_request_classifier_->IsServiceWorkerRequest(*request)) {
+      service_name = DataUseUserData::ServiceName::SERVICE_WORKER;
     }
 
     data_use_user_data = new DataUseUserData(service_name, CurrentAppState());
     request->SetUserData(DataUseUserData::kUserDataKey, data_use_user_data);
   } else {
     data_use_user_data->set_app_state(CurrentAppState());
   }
 }
 
 void DataUseMeasurement::OnBeforeRedirect(const net::URLRequest& request,
@@ skipping 308 matching lines @@
     STATIC_HISTOGRAM_POINTER_BLOCK(
         "DataUse.ContentType.Services", AddCount(content_type, bytes),
         base::LinearHistogram::FactoryGet(
             "DataUse.ContentType.Services", 1, DataUseUserData::TYPE_MAX,
             DataUseUserData::TYPE_MAX + 1,
             base::HistogramBase::kUmaTargetedHistogramFlag));
   }
 }
 
 }  // namespace data_use_measurement