Implement first version of OfflinePageSuggestionsProvider

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 fdb57a837b076e95f3ebbaf3f8d2c0c29713fbd7..e172db7a4bee2afd7b3e9f5061193639376187f9 100644
--- a/chrome/browser/ui/webui/snippets_internals_message_handler.cc
+++ b/chrome/browser/ui/webui/snippets_internals_message_handler.cc
@@ -78,6 +78,8 @@ std::string MapCategoryName(ContentSuggestionsCategory category) {
   switch (category) {
     case ContentSuggestionsCategory::ARTICLES:
       return "Articles";
+    case ContentSuggestionsCategory::OFFLINE_PAGES:
+      return "Offline pages (continue browsing)";
     case ContentSuggestionsCategory::COUNT:
       NOTREACHED() << "Category::COUNT must not be used as a value";
   }
@@ -256,6 +258,10 @@ void SnippetsInternalsMessageHandler::SendInitialData() {
   SendBoolean("flag-snippets", base::FeatureList::IsEnabled(
                                    chrome::android::kNTPSnippetsFeature));
 
+  SendBoolean("flag-offline-page-suggestions",
+              base::FeatureList::IsEnabled(
+                  chrome::android::kNTPOfflinePageSuggestionsFeature));
+
   web_ui()->CallJavascriptFunctionUnsafe(
       "chrome.SnippetsInternals.setHostRestricted",
       base::FundamentalValue(