[Remote suggestions] Get favicon URLs from archive

components/ntp_snippets/remote/remote_suggestions_provider.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_NTP_SNIPPETS_REMOTE_REMOTE_SUGGESTIONS_PROVIDER_H_
 #define COMPONENTS_NTP_SNIPPETS_REMOTE_REMOTE_SUGGESTIONS_PROVIDER_H_
 
 #include <memory>
 
 #include "base/callback_forward.h"
@@ skipping 19 matching lines @@
   // old suggestions by the new ones. The request to the server is performed as
   // an background request. Background requests are used for actions not
   // triggered by the user and have lower priority on the server. After the
   // fetch finished, the provided |callback| will be triggered with the status
   // of the fetch (unless nullptr).
   virtual void RefetchInTheBackground(const FetchStatusCallback& callback) = 0;
 
   virtual const RemoteSuggestionsFetcher* suggestions_fetcher_for_debugging()
       const = 0;
 
+  // Get the url with favicon for the suggestion.
+  virtual GURL GetUrlWithFavicon(
+      const ContentSuggestion::ID& suggestion_id) const = 0;
+
  protected:
   RemoteSuggestionsProvider(Observer* observer);
 };
 
 }  // namespace ntp_snippets
 
 #endif  // COMPONENTS_NTP_SNIPPETS_REMOTE_REMOTE_SUGGESTIONS_PROVIDER_H_