Add data usage tracking for chrome services

components/captive_portal/captive_portal_detector.cc

 // Copyright (c) 2012 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/captive_portal/captive_portal_detector.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "net/base/load_flags.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_util.h"
 #include "net/url_request/url_request_status.h"
 
 namespace captive_portal {
 
 const char CaptivePortalDetector::kDefaultURL[] =
     "http://www.gstatic.com/generate_204";
 
@@ skipping 11 matching lines @@
   DCHECK(CalledOnValidThread());
   DCHECK(!FetchingURL());
   DCHECK(detection_callback_.is_null());
 
   detection_callback_ = detection_callback;
 
   // The first 0 means this can use a TestURLFetcherFactory in unit tests.
   url_fetcher_ = net::URLFetcher::Create(0, url, net::URLFetcher::GET, this);
   url_fetcher_->SetAutomaticallyRetryOn5xx(false);
   url_fetcher_->SetRequestContext(request_context_.get());
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      url_fetcher_.get(),
+      data_use_measurement::DataUseUserData::CAPTIVE_PORTAL);
 
   // Can't safely use net::LOAD_DISABLE_CERT_REVOCATION_CHECKING here,
   // since then the connection may be reused without checking the cert.
   url_fetcher_->SetLoadFlags(
       net::LOAD_BYPASS_CACHE |
       net::LOAD_DO_NOT_SAVE_COOKIES |
       net::LOAD_DO_NOT_SEND_COOKIES |
       net::LOAD_DO_NOT_SEND_AUTH_DATA);
   url_fetcher_->Start();
 }
@@ skipping 87 matching lines @@
     return base::Time::Now();
   else
     return time_for_testing_;
 }
 
 bool CaptivePortalDetector::FetchingURL() const {
   return url_fetcher_.get() != NULL;
 }
 
 }  // namespace captive_portal