Zine: support multiple sections in the ui

components/ntp_snippets/content_suggestions_category.h

Index: components/ntp_snippets/content_suggestions_category.h
diff --git a/components/ntp_snippets/content_suggestions_category.h b/components/ntp_snippets/content_suggestions_category.h
index 70bb23d06fedc97de38433c46551ea6fc347af2c..11b01126e6ec7925e956cf334c506ff4905dff45 100644
--- a/components/ntp_snippets/content_suggestions_category.h
+++ b/components/ntp_snippets/content_suggestions_category.h
@@ -8,7 +8,18 @@
 namespace ntp_snippets {
 
 // A category groups ContentSuggestions which belong together.
-enum class ContentSuggestionsCategory { ARTICLES, OFFLINE_PAGES, COUNT };
+// On Android builds, a Java counterpart will be generated for this enum.
+// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.ntp.snippets
+enum class ContentSuggestionsCategory {
+  // Articles for you.
+  ARTICLES,
+
+  // Downloaded pages.
+  OFFLINE_PAGES,
+
+  // Enum count for ??? reasons.
+  COUNT
+};
 
 }  // namespace ntp_snippets