Change NTPSnippetsBridge to read from ContentSuggestionsService

components/ntp_snippets/content_suggestions_category_status.h

Index: components/ntp_snippets/content_suggestions_category_status.h
diff --git a/components/ntp_snippets/content_suggestions_category_status.h b/components/ntp_snippets/content_suggestions_category_status.h
index 16b65af028bac7483e0e0bba18283b115bcffaa2..83b5fa2c6d85df5bbfcadb9393b92eba3e5c66f2 100644
--- a/components/ntp_snippets/content_suggestions_category_status.h
+++ b/components/ntp_snippets/content_suggestions_category_status.h
@@ -50,6 +50,12 @@ enum class ContentSuggestionsCategoryStatus {
 bool IsContentSuggestionsCategoryStatusAvailable(
     ContentSuggestionsCategoryStatus status);
 
+// Determines whether the given status is INITIALIZING or one of the AVAILABLE
+// statuses. All of these statuses have in common that there is or will soon be
+// content.
+bool IsContentSuggestionsCategoryStatusInitOrAvailable(
+    ContentSuggestionsCategoryStatus status);
+
 }  // namespace ntp_snippets
 
 #endif  // COMPONENTS_NTP_SNIPPETS_CONTENT_SUGGESTIONS_CATEGORY_STATUS_H_