📰 Persist category dismissals

components/ntp_snippets/category.cc

Index: components/ntp_snippets/category.cc
diff --git a/components/ntp_snippets/category.cc b/components/ntp_snippets/category.cc
index abc86ab9f2c71827710d8f2d477ec9206c170991..9a1aa6a34d079ecdd7b0e1800618d98da4ba00e8 100644
--- a/components/ntp_snippets/category.cc
+++ b/components/ntp_snippets/category.cc
@@ -16,6 +16,10 @@ bool Category::IsKnownCategory(KnownCategories known_category) const {
   return id_ == static_cast<int>(known_category);
 }
 
+bool Category::IsRemote() const {
+  return id_ > static_cast<int>(KnownCategories::REMOTE_CATEGORIES_OFFSET);
+}
+
 bool operator==(const Category& left, const Category& right) {
   return left.id() == right.id();
 }