Remove deleted offline page suggestions from opened NTPs

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 87e0b81ec8105bf3a14cdd3df7f5b459d1269789..c93e230c4dda7ab2ca8aa6f07fcf4f06a2914214 100644
--- a/chrome/browser/ui/webui/snippets_internals_message_handler.cc
+++ b/chrome/browser/ui/webui/snippets_internals_message_handler.cc
@@ -128,6 +128,14 @@ void SnippetsInternalsMessageHandler::OnCategoryStatusChanged(
   SendContentSuggestions();
 }
 
+void SnippetsInternalsMessageHandler::OnSuggestionInvalidated(
+    ntp_snippets::Category category,
+    const std::string& suggestion_id) {
+  if (!dom_loaded_)
+    return;
+  SendContentSuggestions();
+}
+
 void SnippetsInternalsMessageHandler::ContentSuggestionsServiceShutdown() {}
 
 void SnippetsInternalsMessageHandler::HandleRefreshContent(