[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 d6ab94c7f476981938ea99aa637bbf7dcdba7623..56c73876cc97110d609330b4332f69a5ab5ff9a5 100644
--- a/components/ntp_snippets/ntp_snippets_service.h
+++ b/components/ntp_snippets/ntp_snippets_service.h
@@ -80,6 +80,10 @@ class NTPSnippetsService : public KeyedService {
   // a snippet was discarded.
   bool DiscardSnippet(const GURL& url);
 
+  // (Re)schedules the periodic fetching of snippets. This is necessary because
+  // the schedule depends on the time of day
+  void RescheduleFetching();
+
   // Observer accessors.
   void AddObserver(NTPSnippetsServiceObserver* observer);
   void RemoveObserver(NTPSnippetsServiceObserver* observer);
@@ -132,6 +136,8 @@ class NTPSnippetsService : public KeyedService {
 
   void RemoveExpiredSnippets();
 
+  bool enabled_;
+
   PrefService* pref_service_;
 
   suggestions::SuggestionsService* suggestions_service_;