[Remote suggestions] Get favicon URLs from archive

components/ntp_snippets/content_suggestion.cc

 // Copyright 2016 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.
 
 #include "components/ntp_snippets/content_suggestion.h"
 
 #include <utility>
 
 namespace ntp_snippets {
 
@@ skipping 25 matching lines @@
 
 ContentSuggestion& ContentSuggestion::operator=(ContentSuggestion&&) = default;
 
 ContentSuggestion::~ContentSuggestion() = default;
 
 std::ostream& operator<<(std::ostream& os, const ContentSuggestion::ID& id) {
   os << id.category() << "|" << id.id_within_category();
   return os;
 }
 
+// static
+GURL ContentSuggestion::GetFaviconDomain(const GURL& favicon_url) {
+  return favicon_url.GetWithEmptyPath();
+}
+
 void ContentSuggestion::set_download_suggestion_extra(
     std::unique_ptr<DownloadSuggestionExtra> download_suggestion_extra) {
   DCHECK(id_.category().IsKnownCategory(KnownCategories::DOWNLOADS));
   download_suggestion_extra_ = std::move(download_suggestion_extra);
 }
 
 void ContentSuggestion::set_recent_tab_suggestion_extra(
     std::unique_ptr<RecentTabSuggestionExtra> recent_tab_suggestion_extra) {
   DCHECK(id_.category().IsKnownCategory(KnownCategories::RECENT_TABS));
   recent_tab_suggestion_extra_ = std::move(recent_tab_suggestion_extra);
 }
 
 void ContentSuggestion::set_reading_list_suggestion_extra(
     std::unique_ptr<ReadingListSuggestionExtra> reading_list_suggestion_extra) {
   DCHECK(id_.category().IsKnownCategory(KnownCategories::READING_LIST));
   reading_list_suggestion_extra_ = std::move(reading_list_suggestion_extra);
 }
 
 void ContentSuggestion::set_notification_extra(
     std::unique_ptr<NotificationExtra> notification_extra) {
   notification_extra_ = std::move(notification_extra);
 }
 
 }  // namespace ntp_snippets