[Reading List] Accept all favicon in Reading List view.

ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm

Index: ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm
diff --git a/ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm b/ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm
index c29af39efe29996cf98a3ef58aa1dbbf80122e4c..fcc33180c0d03635795e3969544d8d1626d5178e 100644
--- a/ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm
+++ b/ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm
@@ -214,9 +214,12 @@ using ItemsMapByDate = std::multimap<int64_t, ReadingListCollectionViewItem*>;
     return _attributesProvider;
   }
 
+  // Accept any favicon even the smallest ones (16x16) as it is better than the
+  // fallback icon.
+  // Pass 1 as minimum size to avoid empty favicons.
   _attributesProvider = [[FaviconAttributesProvider alloc]
       initWithFaviconSize:kFaviconPreferredSize
-           minFaviconSize:kFaviconMinSize
+           minFaviconSize:1
          largeIconService:self.largeIconService];
   return _attributesProvider;
 }