[Remote suggestions] Prioritize wifi for soft fetches.

components/ntp_snippets/remote/persistent_scheduler.h

Index: components/ntp_snippets/remote/persistent_scheduler.h
diff --git a/components/ntp_snippets/remote/persistent_scheduler.h b/components/ntp_snippets/remote/persistent_scheduler.h
index 70a27e74ef095fdc3a6caf0a9b39c960caba571c..080ceb0b6011c7520488731dcd71bd38bd96f8c9 100644
--- a/components/ntp_snippets/remote/persistent_scheduler.h
+++ b/components/ntp_snippets/remote/persistent_scheduler.h
@@ -35,6 +35,10 @@ class PersistentScheduler {
   // the scheduling was successful.
   virtual bool Unschedule() = 0;
 
+  // TODO(jkrcal): Get this information exposed in the platform-independent
+  // net::NetworkChangeNotifier and remove this function.
+  virtual bool IsOnUnmeteredConnection() = 0;
+
  protected:
   PersistentScheduler() = default;