[Doodle] Don't refresh more than once per 15 mins

chrome/browser/doodle/doodle_service_factory.cc

 // Copyright 2017 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/doodle/doodle_service_factory.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
@@ skipping 41 matching lines @@
 
   bool use_gray_background = false;
 #if defined(OS_ANDROID)
   use_gray_background =
       !base::FeatureList::IsEnabled(chrome::android::kChromeHomeFeature);
 #endif
   auto fetcher = base::MakeUnique<doodle::DoodleFetcherImpl>(
       profile->GetRequestContext(),
       GoogleURLTrackerFactory::GetForProfile(profile),
       base::Bind(&safe_json::SafeJsonParser::Parse), use_gray_background);
-  return new doodle::DoodleService(profile->GetPrefs(), std::move(fetcher),
-                                   base::MakeUnique<base::OneShotTimer>(),
-                                   base::MakeUnique<base::DefaultClock>(),
-                                   base::MakeUnique<base::DefaultTickClock>());
+  return new doodle::DoodleService(
+      profile->GetPrefs(), std::move(fetcher),
+      base::MakeUnique<base::OneShotTimer>(),
+      base::MakeUnique<base::DefaultClock>(),
+      base::MakeUnique<base::DefaultTickClock>(),
+      /*override_min_refresh_interval=*/base::nullopt);
 }