📰 Persist category dismissals

components/ntp_snippets/mock_content_suggestions_provider_observer.cc

Index: components/ntp_snippets/mock_content_suggestions_provider_observer.cc
diff --git a/components/ntp_snippets/mock_content_suggestions_provider_observer.cc b/components/ntp_snippets/mock_content_suggestions_provider_observer.cc
index 38f97191106b26b71a8a45955573d8cbe54a9404..4a5a6160048585d800c5899b6f22314a82a3c890 100644
--- a/components/ntp_snippets/mock_content_suggestions_provider_observer.cc
+++ b/components/ntp_snippets/mock_content_suggestions_provider_observer.cc
@@ -22,5 +22,19 @@ void MockContentSuggestionsProviderObserver::OnNewSuggestions(
   }
   OnNewSuggestions(provider, category, suggestions_list);
 }
+void MockContentSuggestionsProviderObserver::OnNewSuggestionBatch(
+    ContentSuggestionsProvider* provider,
+    SuggestionBatch suggestion_batch) {
+  std::map<Category, std::list<ContentSuggestion>, Category::CompareByID>
+      suggestion_batch2;
+  for (auto it = suggestion_batch.begin(); it != suggestion_batch.end(); ++it) {
+    std::list<ContentSuggestion> suggestions_list;
+    for (ContentSuggestion& suggestion : it->second) {
+      suggestions_list.push_back(std::move(suggestion));
+    }
+    suggestion_batch2[it->first] = std::move(suggestions_list);
+  }
+  OnNewSuggestionBatch(provider, suggestion_batch2);
+}
 
 }  // namespace ntp_snippets