[Remote suggestions] Use Google server for fetching MostLikely icons

components/ntp_tiles/most_visited_sites.cc

Index: components/ntp_tiles/most_visited_sites.cc
diff --git a/components/ntp_tiles/most_visited_sites.cc b/components/ntp_tiles/most_visited_sites.cc
index f3695c9946ec90bfe44a7e89456e6e539e820fd9..01f8de306f7210f9a3f81ae3b6b731c8e83d972b 100644
--- a/components/ntp_tiles/most_visited_sites.cc
+++ b/components/ntp_tiles/most_visited_sites.cc
@@ -269,6 +269,9 @@ void MostVisitedSites::BuildCurrentTilesGivenSuggestionsProfile(
     tile.whitelist_icon_path = GetWhitelistLargeIconPath(url);
     tile.thumbnail_url = GURL(suggestion_pb.thumbnail());
     tile.favicon_url = GURL(suggestion_pb.favicon_url());
+    icon_cacher_->StartFetchMostLikely(
+        url, base::Bind(&MostVisitedSites::OnIconMadeAvailable,
+                        base::Unretained(this), url));
 
     tiles.push_back(std::move(tile));
   }
@@ -359,7 +362,7 @@ NTPTilesVector MostVisitedSites::CreatePopularSitesTiles(
       tile.source = NTPTileSource::POPULAR;
 
       popular_sites_tiles.push_back(std::move(tile));
-      icon_cacher_->StartFetch(
+      icon_cacher_->StartFetchPopularSites(
           popular_site, base::Bind(&MostVisitedSites::OnIconMadeAvailable,
                                    base::Unretained(this), popular_site.url));
       if (popular_sites_tiles.size() >= num_popular_sites_tiles)