Turn on and use the AppInfo data.

chrome/browser/notifications/sync_notifier/chrome_notifier_service_factory.cc

 // Copyright (c) 2013 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/notifications/sync_notifier/chrome_notifier_service_factory.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/notifications/sync_notifier/chrome_notifier_service.h"
+#include "chrome/browser/notifications/sync_notifier/synced_notification_app_info_service_factory.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_version_info.h"
 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
 
 namespace notifier {
 
 // static
 ChromeNotifierService* ChromeNotifierServiceFactory::GetForProfile(
     Profile* profile, Profile::ServiceAccessType service_access_type) {
   return static_cast<ChromeNotifierService*>(
@@ skipping 18 matching lines @@
   if (channel == chrome::VersionInfo::CHANNEL_UNKNOWN ||
       channel == chrome::VersionInfo::CHANNEL_DEV ||
       channel == chrome::VersionInfo::CHANNEL_CANARY)
     return true;
 
   return false;
 }
 
 ChromeNotifierServiceFactory::ChromeNotifierServiceFactory()
     : BrowserContextKeyedServiceFactory(
-        "ChromeNotifierService",
-        BrowserContextDependencyManager::GetInstance()) {}
+          "ChromeNotifierService",
+          BrowserContextDependencyManager::GetInstance()) {
+  // Mark this service as depending on the SyncedNotificationAppInfoService.
+  // Marking it provides a guarantee that the other service will alwasys be
+  // running whenever the ChromeNotifierServiceFactory is.
+  DependsOn(SyncedNotificationAppInfoServiceFactory::GetInstance());
+}
 
 ChromeNotifierServiceFactory::~ChromeNotifierServiceFactory() {
 }
 
 BrowserContextKeyedService*
 ChromeNotifierServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* profile) const {
   NotificationUIManager* notification_manager =
       g_browser_process->notification_ui_manager();
   ChromeNotifierService* chrome_notifier_service =
       new ChromeNotifierService(static_cast<Profile*>(profile),
                                 notification_manager);
   return chrome_notifier_service;
 }
 
 }  // namespace notifier