(False positive) Revert of Track if a ReadingListEntry has been dismissed

components/reading_list/core/reading_list_model_impl.cc

Index: components/reading_list/core/reading_list_model_impl.cc
diff --git a/components/reading_list/core/reading_list_model_impl.cc b/components/reading_list/core/reading_list_model_impl.cc
index d1ed193f0b5534f8bfaaf070f9ccf966ac2886bf..6b60704e02f11a3c790b722dfa90821377776d92 100644
--- a/components/reading_list/core/reading_list_model_impl.cc
+++ b/components/reading_list/core/reading_list_model_impl.cc
@@ -461,28 +461,6 @@
   }
 }
 
-void ReadingListModelImpl::SetContentSuggestionsExtra(
-    const GURL& url,
-    const reading_list::ContentSuggestionsExtra& extra) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(loaded());
-  ReadingListEntry* entry = GetMutableEntryFromURL(url);
-  if (!entry) {
-    return;
-  }
-
-  for (ReadingListModelObserver& observer : observers_) {
-    observer.ReadingListWillUpdateEntry(this, url);
-  }
-  entry->SetContentSuggestionsExtra(extra);
-  if (storage_layer_) {
-    storage_layer_->SaveEntry(*entry);
-  }
-  for (ReadingListModelObserver& observer : observers_) {
-    observer.ReadingListDidApplyChanges(this);
-  }
-}
-
 std::unique_ptr<ReadingListModel::ScopedReadingListBatchUpdate>
 ReadingListModelImpl::CreateBatchToken() {
   return base::MakeUnique<ReadingListModelImpl::ScopedReadingListBatchUpdate>(