BookmarkClient can add extra nodes to BookmarkModel.

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/command_line.h"
 #include "base/deferred_sequenced_task_runner.h"
 #include "base/memory/singleton.h"
 #include "base/prefs/pref_service.h"
 #include "base/values.h"
 #include "chrome/browser/bookmarks/chrome_bookmark_client.h"
 #include "chrome/browser/omnibox/omnibox_field_trial.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/startup_task_runner_service.h"
 #include "chrome/browser/profiles/startup_task_runner_service_factory.h"
 #include "chrome/browser/undo/bookmark_undo_service.h"
 #include "chrome/browser/undo/bookmark_undo_service_factory.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/common/bookmark_pref_names.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "content/public/browser/browser_thread.h"
 
 // static
 BookmarkModel* BookmarkModelFactory::GetForProfile(Profile* profile) {
-  ChromeBookmarkClient* bookmark_client = static_cast<ChromeBookmarkClient*>(
-      GetInstance()->GetServiceForBrowserContext(profile, true));
+  ChromeBookmarkClient* bookmark_client =
+      GetChromeBookmarkClientForProfile(profile);
   return bookmark_client ? bookmark_client->model() : NULL;
 }
 
+// static
 BookmarkModel* BookmarkModelFactory::GetForProfileIfExists(Profile* profile) {
   ChromeBookmarkClient* bookmark_client = static_cast<ChromeBookmarkClient*>(
       GetInstance()->GetServiceForBrowserContext(profile, false));
   return bookmark_client ? bookmark_client->model() : NULL;
 }
 
 // static
+ChromeBookmarkClient* BookmarkModelFactory::GetChromeBookmarkClientForProfile(
+    Profile* profile) {
+  return static_cast<ChromeBookmarkClient*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true));
+}
+
+// static
 BookmarkModelFactory* BookmarkModelFactory::GetInstance() {
   return Singleton<BookmarkModelFactory>::get();
 }
 
 BookmarkModelFactory::BookmarkModelFactory()
     : BrowserContextKeyedServiceFactory(
         "BookmarkModel",
         BrowserContextDependencyManager::GetInstance()) {
 }
 
@@ skipping 42 matching lines @@
 }
 
 content::BrowserContext* BookmarkModelFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }
 
 bool BookmarkModelFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }