Report data usage UMA for Chrome services

google_apis/gcm/engine/checkin_request.cc

Index: google_apis/gcm/engine/checkin_request.cc
diff --git a/google_apis/gcm/engine/checkin_request.cc b/google_apis/gcm/engine/checkin_request.cc
index c1c73e87e628bf5108ac77049abc5e344eaaf325..af465f36d8d146b1fc5aa2989672be2901c652af 100644
--- a/google_apis/gcm/engine/checkin_request.cc
+++ b/google_apis/gcm/engine/checkin_request.cc
@@ -8,6 +8,7 @@
 #include "base/location.h"
 #include "base/metrics/histogram.h"
 #include "base/thread_task_runner_handle.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "google_apis/gcm/monitoring/gcm_stats_recorder.h"
 #include "google_apis/gcm/protocol/checkin.pb.h"
 #include "net/base/load_flags.h"
@@ -146,6 +147,8 @@ void CheckinRequest::Start() {
 
   url_fetcher_ =
       net::URLFetcher::Create(checkin_url_, net::URLFetcher::POST, this);
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      url_fetcher_.get(), data_use_measurement::DataUseUserData::GOOGLE_APIS);
   url_fetcher_->SetRequestContext(request_context_getter_);
   url_fetcher_->SetUploadData(kRequestContentType, upload_data);
   url_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |