[GCM] Fetching OAuth2 tokens periodically in account tracker

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 8732b2d5f19e52330687392fd3ed3cb0ba82f22b..e81bc380cd6db8efa4e06a1de8a5d6be4c45beb3 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -59,6 +59,7 @@
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/renderer_host/pepper/device_id_fetcher.h"
 #include "chrome/browser/search/search.h"
+#include "chrome/browser/services/gcm/gcm_account_tracker.h"
 #include "chrome/browser/services/gcm/gcm_profile_service.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/signin_promo.h"
@@ -463,6 +464,7 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   extensions::ExtensionSettingsHandler::RegisterProfilePrefs(registry);
   extensions::TabsCaptureVisibleTabFunction::RegisterProfilePrefs(registry);
   first_run::RegisterProfilePrefs(registry);
+  gcm::GCMAccountTracker::RegisterProfilePrefs(registry);
   gcm::GCMChannelStatusSyncer::RegisterProfilePrefs(registry);
   NewTabUI::RegisterProfilePrefs(registry);
   PepperFlashSettingsManager::RegisterProfilePrefs(registry);