sync: Buffer Protocol Events for 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 806e25d6455c40cbec81a17ea9190f73c8cc5581..80cc63ab04549ff52e132fdc581528aafea4baf3 100644
--- a/chrome/browser/ui/webui/sync_internals_message_handler.h
+++ b/chrome/browser/ui/webui/sync_internals_message_handler.h
@@ -37,6 +37,9 @@ class SyncInternalsMessageHandler
   // Forwards requests to the JsController.
   void ForwardToJsController(const std::string& name, const base::ListValue*);
 
+  // Sets up observers to receive events and forward them to the UI.
+  void HandleRegisterForEvents(const base::ListValue* args);
+
   // Fires an event to send updated info back to the page.
   void HandleRequestUpdatedAboutInfo(const base::ListValue* args);