Remove ContentSuggestionsProvider::GetProvidedCategories().

components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc

Index: components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc
diff --git a/components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc b/components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc
index b98f843a638f88474b95e029e04f79264ae31d25..37c000240e98693349ba80a648e730874340cafc 100644
--- a/components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc
+++ b/components/ntp_snippets/offline_pages/offline_page_suggestions_provider.cc
@@ -62,6 +62,14 @@ OfflinePageSuggestionsProvider::OfflinePageSuggestionsProvider(
       pref_service_(pref_service),
       download_manager_ui_enabled_(download_manager_ui_enabled) {
   DCHECK(recent_tabs_enabled || downloads_enabled);
+  if (recent_tabs_enabled) {
+    observer->OnCategoryStatusChanged(this, recent_tabs_category_,
+                                      recent_tabs_status_);
+  }
+  if (downloads_enabled) {
+    observer->OnCategoryStatusChanged(this, downloads_category_,
+                                      downloads_status_);
+  }
   offline_page_model_->AddObserver(this);
   FetchOfflinePages();
 }
@@ -80,15 +88,6 @@ void OfflinePageSuggestionsProvider::RegisterProfilePrefs(
 ////////////////////////////////////////////////////////////////////////////////
 // Private methods
 
-std::vector<Category> OfflinePageSuggestionsProvider::GetProvidedCategories() {
-  std::vector<Category> provided_categories;
-  if (recent_tabs_status_ != CategoryStatus::NOT_PROVIDED)
-    provided_categories.push_back(recent_tabs_category_);
-  if (downloads_status_ != CategoryStatus::NOT_PROVIDED)
-    provided_categories.push_back(downloads_category_);
-  return provided_categories;
-}
-
 CategoryStatus OfflinePageSuggestionsProvider::GetCategoryStatus(
     Category category) {
   if (category == recent_tabs_category_)