Add data usage tracking for sync service

components/sync/driver/sync_stopped_reporter.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/sync/driver/sync_stopped_reporter.h"
 
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "components/sync/protocol/sync.pb.h"
 #include "net/base/load_flags.h"
 #include "net/http/http_status_code.h"
 
 namespace {
 
 const char kEventEndpoint[] = "event";
 
 // The request is tiny, so even on poor connections 10 seconds should be
 // plenty of time. Since sync is off when this request is started, we don't
@@ skipping 43 matching lines @@
   fetcher_->AddExtraRequestHeader(base::StringPrintf(
       "%s: Bearer %s", net::HttpRequestHeaders::kAuthorization,
       access_token.c_str()));
   fetcher_->AddExtraRequestHeader(base::StringPrintf(
       "%s: %s", net::HttpRequestHeaders::kUserAgent, user_agent_.c_str()));
   fetcher_->SetRequestContext(request_context_.get());
   fetcher_->SetUploadData("application/octet-stream", msg);
   fetcher_->SetLoadFlags(net::LOAD_BYPASS_CACHE | net::LOAD_DISABLE_CACHE |
                          net::LOAD_DO_NOT_SAVE_COOKIES |
                          net::LOAD_DO_NOT_SEND_COOKIES);
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      fetcher_.get(), data_use_measurement::DataUseUserData::SYNC);
   fetcher_->Start();
   timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(kRequestTimeoutSeconds),
                this, &SyncStoppedReporter::OnTimeout);
 }
 
 void SyncStoppedReporter::OnURLFetchComplete(const net::URLFetcher* source) {
   Result result =
       source->GetResponseCode() == net::HTTP_OK ? RESULT_SUCCESS : RESULT_ERROR;
   fetcher_.reset();
   timer_.Stop();
@@ skipping 22 matching lines @@
   replacements.SetPathStr(path);
   return sync_service_url.ReplaceComponents(replacements);
 }
 
 void SyncStoppedReporter::SetTimerTaskRunnerForTest(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner) {
   timer_.SetTaskRunner(task_runner);
 }
 
 }  // namespace syncer