[Remote suggestions] Move all decisions to fetch to the scheduler

chrome/browser/ntp_snippets/content_suggestions_service_factory.cc

Index: chrome/browser/ntp_snippets/content_suggestions_service_factory.cc
diff --git a/chrome/browser/ntp_snippets/content_suggestions_service_factory.cc b/chrome/browser/ntp_snippets/content_suggestions_service_factory.cc
index fce8e2ed62243e790b16bf5fbe95578136e095a6..a9d0d7a25e3d7b0f8b5931f6974c392cb7a564cf 100644
--- a/chrome/browser/ntp_snippets/content_suggestions_service_factory.cc
+++ b/chrome/browser/ntp_snippets/content_suggestions_service_factory.cc
@@ -216,10 +216,12 @@ void RegisterArticleProvider(SigninManagerBase* signin_manager,
   scheduler = NTPSnippetsLauncher::Get();
 #endif  // OS_ANDROID
 
+  RemoteSuggestionsProviderImpl* provider_raw = provider.get();
   auto scheduling_provider =
       base::MakeUnique<SchedulingRemoteSuggestionsProvider>(
           service, std::move(provider), scheduler, service->user_classifier(),
           pref_service, base::MakeUnique<base::DefaultClock>());
+  provider_raw->SetRemoteSuggestionsScheduler(scheduling_provider.get());
   service->set_remote_suggestions_provider(scheduling_provider.get());
   service->set_remote_suggestions_scheduler(scheduling_provider.get());
   service->RegisterProvider(std::move(scheduling_provider));