Move WasUnableToDownload logic to FaviconHandler

components/favicon/ios/web_favicon_driver.mm

Index: components/favicon/ios/web_favicon_driver.mm
diff --git a/components/favicon/ios/web_favicon_driver.mm b/components/favicon/ios/web_favicon_driver.mm
index 9e1b7e3dc00e51c30d9be6a3f8228c1d4bd30a8b..47011b046cd86aad4d13143289030a2cd3b2e381 100644
--- a/components/favicon/ios/web_favicon_driver.mm
+++ b/components/favicon/ios/web_favicon_driver.mm
@@ -70,11 +70,6 @@ GURL WebFaviconDriver::GetActiveURL() {
 int WebFaviconDriver::DownloadImage(const GURL& url,
                                     int max_image_size,
                                     ImageDownloadCallback callback) {
-  if (WasUnableToDownloadFavicon(url)) {
-    DVLOG(1) << "Skip Failed FavIcon: " << url;
-    return 0;
-  }
-
   static int downloaded_image_count = 0;
   int local_download_id = ++downloaded_image_count;