Refactor syncable DEVICE_INFO type from ChangeProcessor to SyncableService - part 3.

chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.cc

 // Copyright 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/extensions/api/signed_in_devices/signed_in_devices_manager.h"
 
 #include <string>
 #include <vector>
 
 #include "base/lazy_instance.h"
@@ skipping 26 matching lines @@
       device_info.GetDeviceTypeString());
   api_device_info->chrome_version = device_info.chrome_version();
 }
 }  // namespace
 
 SignedInDevicesChangeObserver::SignedInDevicesChangeObserver(
     const std::string& extension_id,
     Profile* profile) : extension_id_(extension_id),
                         profile_(profile) {
   ProfileSyncService* pss = ProfileSyncServiceFactory::GetForProfile(profile_);
-  if (pss) {
-    pss->AddObserverForDeviceInfoChange(this);
+  if (pss && pss->GetDeviceInfoTracker()) {
+    pss->GetDeviceInfoTracker()->AddObserver(this);
   }
 }
 
 SignedInDevicesChangeObserver::~SignedInDevicesChangeObserver() {
   ProfileSyncService* pss = ProfileSyncServiceFactory::GetForProfile(profile_);
-  if (pss) {
-    pss->RemoveObserverForDeviceInfoChange(this);
+  if (pss && pss->GetDeviceInfoTracker()) {
+    pss->GetDeviceInfoTracker()->RemoveObserver(this);
   }
-
 }
 
 void SignedInDevicesChangeObserver::OnDeviceInfoChange() {
   // There is a change in the list of devices. Get all devices and send them to
   // the listener.
   ScopedVector<DeviceInfo> devices = GetAllSignedInDevices(extension_id_,
                                                            profile_);
 
   std::vector<linked_ptr<api::signed_in_devices::DeviceInfo> > args;
 
@@ skipping 84 matching lines @@
 }
 
 void SignedInDevicesManager::OnExtensionUnloaded(
     content::BrowserContext* browser_context,
     const Extension* extension,
     UnloadedExtensionInfo::Reason reason) {
   RemoveChangeObserverForExtension(extension->id());
 }
 
 }  // namespace extensions