📰 Persist category dismissals

components/ntp_snippets/category.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_NTP_SNIPPETS_CATEGORY_H_
 #define COMPONENTS_NTP_SNIPPETS_CATEGORY_H_
 
 #include <ostream>
 
 namespace ntp_snippets {
@@ skipping 46 matching lines @@
   struct CompareByID;
 
   // Returns a non-negative identifier that is unique for the category and can
   // be converted back to a Category instance using
   // |CategoryFactory::FromIDValue(id)|.
   int id() const { return id_; }
 
   // Returns whether this category matches the given |known_category|.
   bool IsKnownCategory(KnownCategories known_category) const;
 
+  // Returns whether this category is a remote category. Note: this looks at
+  // the |id_| to determine this and requires remote categories to respect the
+  // restriction on remote ids expressed in |KnownCategories|.
+  bool IsRemote() const;
+
  private:
   friend class CategoryFactory;
 
   explicit Category(int id);
 
   int id_;
 
   // Allow copy and assignment.
 };
 
 bool operator==(const Category& left, const Category& right);
 
 bool operator!=(const Category& left, const Category& right);
 
 struct Category::CompareByID {
   bool operator()(const Category& left, const Category& right) const;
 };
 
 std::ostream& operator<<(std::ostream& os, const Category& obj);
 
 }  // namespace ntp_snippets
 
 #endif  // COMPONENTS_NTP_SNIPPETS_CATEGORY_H_