Report data usage UMA for Chrome services

google_apis/gaia/oauth2_access_token_fetcher_impl.cc

Index: google_apis/gaia/oauth2_access_token_fetcher_impl.cc
diff --git a/google_apis/gaia/oauth2_access_token_fetcher_impl.cc b/google_apis/gaia/oauth2_access_token_fetcher_impl.cc
index 1945c7946d8a411f73198792d03341f19820c163..4c76040dc8b6174bfe04f7cdaf924c0308c5964f 100644
--- a/google_apis/gaia/oauth2_access_token_fetcher_impl.cc
+++ b/google_apis/gaia/oauth2_access_token_fetcher_impl.cc
@@ -15,6 +15,7 @@
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "base/values.h"
+#include "components/data_use_measurement/core/data_use_user_data.h"
 #include "google_apis/gaia/gaia_urls.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "net/base/escape.h"
@@ -97,7 +98,8 @@ static scoped_ptr<URLFetcher> CreateFetcher(URLRequestContextGetter* getter,
   bool empty_body = body.empty();
   scoped_ptr<URLFetcher> result = net::URLFetcher::Create(
       0, url, empty_body ? URLFetcher::GET : URLFetcher::POST, delegate);
-
+  data_use_measurement::DataUseUserData::AttachToFetcher(
+      result.get(), data_use_measurement::DataUseUserData::GOOGLE_APIS);
   result->SetRequestContext(getter);
   result->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                        net::LOAD_DO_NOT_SAVE_COOKIES);