[NTP Snippets] Pass "no suggestions" message from the backend to the UI

components/ntp_snippets/category_info.cc

Index: components/ntp_snippets/category_info.cc
diff --git a/components/ntp_snippets/category_info.cc b/components/ntp_snippets/category_info.cc
index 4037551f5e876b1cd1d6ebae6091e6918a7aa8b2..391900e8f9537c06a0d043b77b24c80364072e9f 100644
--- a/components/ntp_snippets/category_info.cc
+++ b/components/ntp_snippets/category_info.cc
@@ -9,11 +9,13 @@ namespace ntp_snippets {
 CategoryInfo::CategoryInfo(const base::string16& title,
                            ContentSuggestionsCardLayout card_layout,
                            bool has_more_button,
-                           bool show_if_empty)
+                           bool show_if_empty,
+                           const base::string16& no_suggestions_message)
     : title_(title),
       card_layout_(card_layout),
       has_more_button_(has_more_button),
-      show_if_empty_(show_if_empty) {}
+      show_if_empty_(show_if_empty),
+      no_suggestions_message_(no_suggestions_message) {}
 
 CategoryInfo::~CategoryInfo() = default;