Default apps promo was getting expired early if NTP open.

chrome/browser/extensions/default_apps.cc

 // Copyright (c) 2010 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/default_apps.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 34 matching lines @@
   // Note that we use std::includes here instead of == because apps might have
   // been manually installed while the the default apps were installing and we
   // wouldn't want to keep trying to install them in that case.
   if (!GetDefaultAppsInstalled() &&
       std::includes(installed_ids.begin(), installed_ids.end(),
                     ids_.begin(), ids_.end())) {
     SetDefaultAppsInstalled(true);
   }
 }
 
-bool DefaultApps::ShouldShowPromo(const ExtensionIdSet& installed_ids) {
+bool DefaultApps::CheckShouldShowPromo(const ExtensionIdSet& installed_ids) {
 #if defined(OS_CHROMEOS)
   // Don't show the promo at all on Chrome OS.
   return false;
 #endif
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kForceAppsPromoVisible)) {
     return true;
   }
 
   if (GetDefaultAppsInstalled() && GetPromoCounter() < kAppsPromoCounterMax) {
@@ skipping 47 matching lines @@
 }
 
 bool DefaultApps::GetDefaultAppsInstalled() const {
   return prefs_->GetBoolean(prefs::kDefaultAppsInstalled);
 }
 
 void DefaultApps::SetDefaultAppsInstalled(bool val) {
   prefs_->SetBoolean(prefs::kDefaultAppsInstalled, val);
   prefs_->ScheduleSavePersistentPrefs();
 }