[GCM] Fetching OAuth2 tokens periodically in account tracker

chrome/browser/services/gcm/gcm_profile_service.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/services/gcm/gcm_profile_service.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
@@ skipping 93 matching lines @@
   // When sign-in enforcement is not dropped, OnSignedOut will also clear all
   // the GCM data and a new GCM ID will be retrieved after the user signs in
   // again. Otherwise, the user sign-out will not affect the existing GCM
   // data.
   driver_->OnSignedOut();
 }
 
 std::string GCMProfileService::IdentityObserver::SignedInUserName() const {
   return driver_->IsStarted() ? account_id_ : std::string();
 }
-
 void GCMProfileService::IdentityObserver::StartAccountTracker() {
   if (gcm_account_tracker_)
     return;
 
   scoped_ptr<gaia::AccountTracker> gaia_account_tracker(
       new gaia::AccountTracker(identity_provider_.get(),
                                profile_->GetRequestContext()));
 
-  gcm_account_tracker_.reset(
-      new GCMAccountTracker(gaia_account_tracker.Pass(), driver_));
+  gcm_account_tracker_.reset(new GCMAccountTracker(
+      gaia_account_tracker.Pass(), driver_, profile_->GetPrefs()));
 
   gcm_account_tracker_->Start();
 }
 
 #endif  // !defined(OS_ANDROID)
 
 // static
 bool GCMProfileService::IsGCMEnabled(Profile* profile) {
   return profile->GetPrefs()->GetBoolean(prefs::kGCMChannelEnabled);
 }
@@ skipping 88 matching lines @@
 #endif  // defined(OS_ANDROID)
 }
 
 void GCMProfileService::SetDriverForTesting(GCMDriver* driver) {
   driver_.reset(driver);
   if (identity_observer_)
     identity_observer_.reset(new IdentityObserver(profile_, driver));
 }
 
 }  // namespace gcm