Report data usage UMA for Chrome services

components/policy/core/common/cloud/external_policy_data_fetcher.cc

 // Copyright 2013 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/policy/core/common/cloud/external_policy_data_fetcher.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/sequenced_task_runner.h"
 #include "base/stl_util.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
 
 namespace policy {
 
 namespace {
 
@@ skipping 143 matching lines @@
   return make_scoped_ptr(new ExternalPolicyDataFetcher(
       task_runner, io_task_runner_, weak_factory_.GetWeakPtr()));
 }
 
 void ExternalPolicyDataFetcherBackend::StartJob(
     ExternalPolicyDataFetcher::Job* job) {
   DCHECK(io_task_runner_->RunsTasksOnCurrentThread());
   net::URLFetcher* fetcher =
       net::URLFetcher::Create(++last_fetch_id_, job->url, net::URLFetcher::GET,
                               this).release();
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      fetcher, data_use_measurement::DataUseUserData::POLICY);
   fetcher->SetRequestContext(request_context_.get());
   fetcher->SetLoadFlags(net::LOAD_BYPASS_CACHE | net::LOAD_DISABLE_CACHE |
                         net::LOAD_DO_NOT_SAVE_COOKIES |
                         net::LOAD_DO_NOT_SEND_COOKIES |
                         net::LOAD_DO_NOT_SEND_AUTH_DATA);
   fetcher->SetAutomaticallyRetryOnNetworkChanges(3);
   fetcher->Start();
   job_map_[fetcher] = job;
 }
 
@@ skipping 73 matching lines @@
     ExternalPolicyDataFetcher::Job* job = it->second;
     delete it->first;
     job_map_.erase(it);
     job->callback.Run(job,
                       ExternalPolicyDataFetcher::MAX_SIZE_EXCEEDED,
                       scoped_ptr<std::string>());
   }
 }
 
 }  // namespace policy