[NTP Snippets] Introduce ContentSuggestion::ID

chrome/browser/ui/webui/snippets_internals_message_handler.cc

Index: chrome/browser/ui/webui/snippets_internals_message_handler.cc
diff --git a/chrome/browser/ui/webui/snippets_internals_message_handler.cc b/chrome/browser/ui/webui/snippets_internals_message_handler.cc
index 761bad9674211e3f3b2e68e8a39aa98de73725fa..b6bb7aa409516e2dacd3f1f2fc5abeda87204734 100644
--- a/chrome/browser/ui/webui/snippets_internals_message_handler.cc
+++ b/chrome/browser/ui/webui/snippets_internals_message_handler.cc
@@ -41,7 +41,7 @@ std::unique_ptr<base::DictionaryValue> PrepareSuggestion(
     const ContentSuggestion& suggestion,
     int index) {
   auto entry = base::MakeUnique<base::DictionaryValue>();
-  entry->SetString("suggestionId", suggestion.id());
+  entry->SetString("withinCategoryId", suggestion.id().within_category_id());
   entry->SetString("url", suggestion.url().spec());
   entry->SetString("ampUrl", suggestion.amp_url().spec());
   entry->SetString("title", suggestion.title());
@@ -144,8 +144,7 @@ void SnippetsInternalsMessageHandler::OnCategoryStatusChanged(
 }
 
 void SnippetsInternalsMessageHandler::OnSuggestionInvalidated(
-    ntp_snippets::Category category,
-    const std::string& suggestion_id) {
+    const ntp_snippets::ContentSuggestion::ID& suggestion_id) {
   if (!dom_loaded_)
     return;
   SendContentSuggestions();