Add data usage tracking for data reduction proxy, precache services

components/data_use_measurement/core/data_use_user_data.h

Index: components/data_use_measurement/core/data_use_user_data.h
diff --git a/components/data_use_measurement/core/data_use_user_data.h b/components/data_use_measurement/core/data_use_user_data.h
index 272b96786c8705f704970a3b41bcfd93626ac824..e57ab296bc71359ab86d34cfeeca1110ed94f64f 100644
--- a/components/data_use_measurement/core/data_use_user_data.h
+++ b/components/data_use_measurement/core/data_use_user_data.h
@@ -41,6 +41,8 @@ class DataUseUserData : public base::SupportsUserData::Data {
     SPELL_CHECKER,
     NTP_SNIPPETS,
     SAFE_BROWSING,
+    DATA_REDUCTION_PROXY,
+    PRECACHE,
   };
 
   explicit DataUseUserData(ServiceName service_name);