[NTP Snippets] Overwrite the title of the ARTICLES if provided by the server

components/ntp_snippets/remote/ntp_snippets_service.cc

Index: components/ntp_snippets/remote/ntp_snippets_service.cc
diff --git a/components/ntp_snippets/remote/ntp_snippets_service.cc b/components/ntp_snippets/remote/ntp_snippets_service.cc
index 601b47dc9f03dc7793c60cfd7ad05afd54543654..78aea3a04b60edba453d0f2562906971ae05a88e 100644
--- a/components/ntp_snippets/remote/ntp_snippets_service.cc
+++ b/components/ntp_snippets/remote/ntp_snippets_service.cc
@@ -520,10 +520,14 @@ void NTPSnippetsService::OnFetchFinished(
          *fetched_categories) {
       Category category = fetched_category.category;
 
+      // The ChromeReader backend doesn't provide category titles, so don't
+      // overwrite the existing title for ARTICLES if the new one is empty.
+      // TODO(treib): Remove this check after we fully switch to the content
+      // suggestions backend.
       // TODO(sfiera): Avoid hard-coding articles category checks in so many
       // places.
-      if (category != articles_category_) {
-        // Only update titles from server-side provided categories.
+      if (category != articles_category_ ||
+          !fetched_category.localized_title.empty()) {
         categories_[category].localized_title =
             fetched_category.localized_title;
       }