[USS] Show USS counters in about:sync page

chrome/browser/ui/webui/sync_internals_message_handler.h

Index: chrome/browser/ui/webui/sync_internals_message_handler.h
diff --git a/chrome/browser/ui/webui/sync_internals_message_handler.h b/chrome/browser/ui/webui/sync_internals_message_handler.h
index 0f029e648edb0fe4ab67136ea0489c0ebc408de1..d3d11c0021164ab8792fddb60489400cda36ac89 100644
--- a/chrome/browser/ui/webui/sync_internals_message_handler.h
+++ b/chrome/browser/ui/webui/sync_internals_message_handler.h
@@ -84,8 +84,9 @@ class SyncInternalsMessageHandler : public content::WebUIMessageHandler,
                                const syncer::CommitCounters& counters) override;
   void OnUpdateCountersUpdated(syncer::ModelType type,
                                const syncer::UpdateCounters& counters) override;
-  void OnStatusCountersUpdated(syncer::ModelType type,
-                               const syncer::StatusCounters& counters) override;
+  void OnStatusCountersUpdated(
+      syncer::ModelType type,
+      std::unique_ptr<syncer::StatusCounters> counters) override;
 
   // Helper to emit counter updates.
   //