sync: Buffer Protocol Events for about:sync page

chrome/browser/ui/webui/sync_internals_message_handler.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_SYNC_INTERNALS_MESSAGE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SYNC_INTERNALS_MESSAGE_HANDLER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 19 matching lines @@
       public browser_sync::ProtocolEventObserver {
  public:
   SyncInternalsMessageHandler();
   virtual ~SyncInternalsMessageHandler();
 
   virtual void RegisterMessages() OVERRIDE;
 
   // 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);
 
   // Fires and event to send the list of types back to the page.
   void HandleRequestListOfTypes(const base::ListValue* args);
 
   // syncer::JsEventHandler implementation.
   virtual void HandleJsEvent(
       const std::string& name,
       const syncer::JsEventDetails& details) OVERRIDE;
@@ skipping 19 matching lines @@
 
   ProfileSyncService* GetProfileSyncService();
 
   base::WeakPtr<syncer::JsController> js_controller_;
   base::WeakPtrFactory<SyncInternalsMessageHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncInternalsMessageHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SYNC_INTERNALS_MESSAGE_HANDLER_H_