Delay bookmarks load while the profile is loading.

chrome/browser/bookmarks/bookmark_model_factory.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 
+#include "base/deferred_sequenced_task_runner.h"
 #include "base/memory/singleton.h"
 #include "base/values.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
+#include "chrome/browser/profiles/startup_task_runner_service.h"
+#include "chrome/browser/profiles/startup_task_runner_service_factory.h"
 #include "chrome/common/pref_names.h"
 #include "components/user_prefs/pref_registry_syncable.h"
 
 // static
 BookmarkModel* BookmarkModelFactory::GetForProfile(Profile* profile) {
   return static_cast<BookmarkModel*>(
       GetInstance()->GetServiceForProfile(profile, true));
 }
 
 BookmarkModel* BookmarkModelFactory::GetForProfileIfExists(Profile* profile) {
   return static_cast<BookmarkModel*>(
       GetInstance()->GetServiceForProfile(profile, false));
 }
 
 // static
 BookmarkModelFactory* BookmarkModelFactory::GetInstance() {
   return Singleton<BookmarkModelFactory>::get();
 }
 
 BookmarkModelFactory::BookmarkModelFactory()
     : ProfileKeyedServiceFactory("BookmarkModel",
                                  ProfileDependencyManager::GetInstance()) {
 }
 
 BookmarkModelFactory::~BookmarkModelFactory() {}
 
 ProfileKeyedService* BookmarkModelFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   BookmarkModel* bookmark_model = new BookmarkModel(profile);
-  bookmark_model->Load();
+  bookmark_model->Load(StartupTaskRunnerServiceFactory::GetForProfile(profile)->
+      GetBookmarkTaskRunner());
   return bookmark_model;
 }
 
 void BookmarkModelFactory::RegisterUserPrefs(PrefRegistrySyncable* registry) {
   // Don't sync this, as otherwise, due to a limitation in sync, it
   // will cause a deadlock (see http://crbug.com/97955).  If we truly
   // want to sync the expanded state of folders, it should be part of
   // bookmark sync itself (i.e., a property of the sync folder nodes).
   registry->RegisterListPref(prefs::kBookmarkEditorExpandedNodes,
                              new base::ListValue,
                              PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 bool BookmarkModelFactory::ServiceRedirectedInIncognito() const {
   return true;
 }
 
 bool BookmarkModelFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }