Create a DataUseRecorder instance for each page load in Chrome.

chrome/browser/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 270 matching lines @@
     "data_usage/tab_id_annotator.cc",
     "data_usage/tab_id_annotator.h",
     "data_usage/tab_id_provider.cc",
     "data_usage/tab_id_provider.h",
     "data_use_measurement/chrome_data_use_ascriber.cc",
     "data_use_measurement/chrome_data_use_ascriber.h",
     "data_use_measurement/chrome_data_use_ascriber_service.cc",
     "data_use_measurement/chrome_data_use_ascriber_service.h",
     "data_use_measurement/chrome_data_use_ascriber_service_factory.cc",
     "data_use_measurement/chrome_data_use_ascriber_service_factory.h",
+    "data_use_measurement/chrome_data_use_recorder.cc",
+    "data_use_measurement/chrome_data_use_recorder.h",
     "data_use_measurement/data_use_web_contents_observer.cc",
     "data_use_measurement/data_use_web_contents_observer.h",
     "defaults.cc",
     "defaults.h",
     "dom_distiller/dom_distiller_service_factory.cc",
     "dom_distiller/dom_distiller_service_factory.h",
     "dom_distiller/lazy_dom_distiller_service.cc",
     "dom_distiller/lazy_dom_distiller_service.h",
     "dom_distiller/profile_utils.cc",
     "dom_distiller/profile_utils.h",
@@ skipping 4136 matching lines @@
   # linking all of the test support.
   static_library("pepper_cdm_test_constants") {
     testonly = true
     visibility = [ "//chrome/*" ]
     sources = [
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }