[NTP Snippets] Scheduler: Fetch on Wifi (without charging) only 6AM-10PM

components/ntp_snippets/ntp_snippets_service.h

Index: components/ntp_snippets/ntp_snippets_service.h
diff --git a/components/ntp_snippets/ntp_snippets_service.h b/components/ntp_snippets/ntp_snippets_service.h
index 39e8dc8c8c052f1bf189278bcf188acf87fda569..4269f9413cfb2624f079f8407508ef81b3108df7 100644
--- a/components/ntp_snippets/ntp_snippets_service.h
+++ b/components/ntp_snippets/ntp_snippets_service.h
@@ -79,6 +79,10 @@ class NTPSnippetsService : public KeyedService {
   // suggestions from the suggestion service) and adds them to the current ones.
   void FetchSnippetsFromHosts(const std::set<std::string>& hosts);
 
+  // (Re)schedules the periodic fetching of snippets. This is necessary because
+  // the schedule depends on the time of day
+  void RescheduleFetching();
+
   // Deletes all currently stored snippets.
   void ClearSnippets();
 
@@ -148,6 +152,8 @@ class NTPSnippetsService : public KeyedService {
 
   void RemoveExpiredSnippets();
 
+  bool enabled_;
+
   PrefService* pref_service_;
 
   suggestions::SuggestionsService* suggestions_service_;