[NTP Snippets] Refactor background scheduling for remote suggestions

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 a8dddc88dd83c75ac178504006a94f5ce00fa25a..a87a1a44c64a0bbc8d51e6ac620fab1e587737ee 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -79,8 +79,9 @@
 #include "components/network_time/network_time_tracker.h"
 #include "components/ntp_snippets/bookmarks/bookmark_suggestions_provider.h"
 #include "components/ntp_snippets/content_suggestions_service.h"
-#include "components/ntp_snippets/remote/remote_suggestions_provider.h"
+#include "components/ntp_snippets/remote/remote_suggestions_provider_impl.h"
 #include "components/ntp_snippets/remote/request_throttler.h"
+#include "components/ntp_snippets/remote/scheduling_remote_suggestions_provider.h"
 #include "components/ntp_snippets/sessions/foreign_sessions_suggestions_provider.h"
 #include "components/ntp_snippets/user_classifier.h"
 #include "components/ntp_tiles/most_visited_sites.h"
@@ -495,11 +496,13 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   MediaStreamDevicesController::RegisterProfilePrefs(registry);
   NotifierStateTracker::RegisterProfilePrefs(registry);
   ntp_snippets::BookmarkSuggestionsProvider::RegisterProfilePrefs(registry);
+  ntp_snippets::ContentSuggestionsService::RegisterProfilePrefs(registry);
   ntp_snippets::ForeignSessionsSuggestionsProvider::RegisterProfilePrefs(
       registry);
-  ntp_snippets::RemoteSuggestionsProvider::RegisterProfilePrefs(registry);
-  ntp_snippets::ContentSuggestionsService::RegisterProfilePrefs(registry);
+  ntp_snippets::RemoteSuggestionsProviderImpl::RegisterProfilePrefs(registry);
   ntp_snippets::RequestThrottler::RegisterProfilePrefs(registry);
+  ntp_snippets::SchedulingRemoteSuggestionsProvider::RegisterProfilePrefs(
+      registry);
   ntp_snippets::UserClassifier::RegisterProfilePrefs(registry);
   ntp_tiles::MostVisitedSites::RegisterProfilePrefs(registry);
   password_bubble_experiment::RegisterPrefs(registry);