Support action button to fetch more content suggestions

components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/ntp_snippets/offline_pages/offline_page_suggestions_provider.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 52 matching lines @@
 CategoryStatus OfflinePageSuggestionsProvider::GetCategoryStatus(
     Category category) {
   DCHECK_EQ(category, provided_category_);
   return category_status_;
 }
 
 CategoryInfo OfflinePageSuggestionsProvider::GetCategoryInfo(
     Category category) {
   // TODO(pke): Use the proper string once it's agreed on.
   return CategoryInfo(base::ASCIIToUTF16("Offline pages"),
-                      ContentSuggestionsCardLayout::MINIMAL_CARD);
+                      ContentSuggestionsCardLayout::MINIMAL_CARD,
+                      /* has_more_button */ false);
 }
 
 void OfflinePageSuggestionsProvider::DismissSuggestion(
     const std::string& suggestion_id) {
   std::string offline_page_id = GetWithinCategoryIDFromUniqueID(suggestion_id);
   dismissed_ids_.insert(offline_page_id);
   StoreDismissedIDsToPrefs();
 }
 
 void OfflinePageSuggestionsProvider::FetchSuggestionImage(
@@ skipping 118 matching lines @@
 }
 
 void OfflinePageSuggestionsProvider::StoreDismissedIDsToPrefs() {
   base::ListValue list;
   for (const std::string& dismissed_id : dismissed_ids_)
     list.AppendString(dismissed_id);
   pref_service_->Set(prefs::kDismissedOfflinePageSuggestions, list);
 }
 
 }  // namespace ntp_snippets