Removes a data-dependent DCHECK().

components/ntp_snippets/remote/ntp_snippets_service.h

Index: components/ntp_snippets/remote/ntp_snippets_service.h
diff --git a/components/ntp_snippets/remote/ntp_snippets_service.h b/components/ntp_snippets/remote/ntp_snippets_service.h
index 6ac485d9997ae960feb5601aad8732a04bc7c481..84e95fa3f72a1250d79f8bfa02d350ce35d3768f 100644
--- a/components/ntp_snippets/remote/ntp_snippets_service.h
+++ b/components/ntp_snippets/remote/ntp_snippets_service.h
@@ -219,7 +219,8 @@ class NTPSnippetsService final : public ContentSuggestionsProvider,
   void OnSuggestionsChanged(const suggestions::SuggestionsProfile& suggestions);
 
   // Callback for the NTPSnippetsFetcher.
-  void OnFetchFinished(NTPSnippetsFetcher::OptionalSnippets snippets);
+  void OnFetchFinished(
+      NTPSnippetsFetcher::OptionalFetchedCategories fetched_categories);
 
   // Moves all snippets from |to_archive| into the archive of the |category|.
   // It also deletes the snippets from the DB and keeps the archive reasonably