Report data usage UMA for Chrome services

google_apis/gaia/gaia_auth_fetcher.cc

Index: google_apis/gaia/gaia_auth_fetcher.cc
diff --git a/google_apis/gaia/gaia_auth_fetcher.cc b/google_apis/gaia/gaia_auth_fetcher.cc
index 1423359b4ae44df62c08ce8164605be744540373..377e20eca1fef7099dcd4eeecf502dd2d968d4d9 100644
--- a/google_apis/gaia/gaia_auth_fetcher.cc
+++ b/google_apis/gaia/gaia_auth_fetcher.cc
@@ -15,6 +15,7 @@
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 #include "google_apis/gaia/gaia_constants.h"
 #include "google_apis/gaia/gaia_urls.h"
@@ -208,6 +209,8 @@ void GaiaAuthFetcher::CreateAndStartGaiaFetcher(const std::string& body,
   fetcher_ = net::URLFetcher::Create(
       0, gaia_gurl, body.empty() ? net::URLFetcher::GET : net::URLFetcher::POST,
       this);
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      fetcher_.get(), data_use_measurement::DataUseUserData::GOOGLE_APIS);
   fetcher_->SetRequestContext(getter_);
   fetcher_->SetUploadData("application/x-www-form-urlencoded", body);