Report data usage UMA for Chrome services

google_apis/gcm/engine/unregistration_request.cc

Index: google_apis/gcm/engine/unregistration_request.cc
diff --git a/google_apis/gcm/engine/unregistration_request.cc b/google_apis/gcm/engine/unregistration_request.cc
index 6cde58190459f8a6bf50265a9fd12152c0d88928..1cc88eedc2fb8201345cb3e2c100c305f213a250 100644
--- a/google_apis/gcm/engine/unregistration_request.cc
+++ b/google_apis/gcm/engine/unregistration_request.cc
@@ -10,6 +10,7 @@
 #include "base/strings/string_piece.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/values.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "google_apis/gcm/base/gcm_util.h"
 #include "google_apis/gcm/monitoring/gcm_stats_recorder.h"
 #include "net/base/escape.h"
@@ -83,6 +84,8 @@ void UnregistrationRequest::Start() {
 
   url_fetcher_ =
       net::URLFetcher::Create(registration_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_.get());
   url_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                              net::LOAD_DO_NOT_SAVE_COOKIES);