Remove ContentSuggestionsProvider::GetProvidedCategories().

components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc

Index: components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc
diff --git a/components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc b/components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc
index 04395e5c570d511e5f7abd467f852a0437dedffc..55ae103e74eee40c4b824011c0267cb4ec2c3e1e 100644
--- a/components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc
+++ b/components/ntp_snippets/bookmarks/bookmark_suggestions_provider.cc
@@ -80,6 +80,7 @@ BookmarkSuggestionsProvider::BookmarkSuggestionsProvider(
       bookmark_model_(bookmark_model),
       fetch_requested_(false),
       end_of_list_last_visit_date_(GetThresholdTime()) {
+  observer->OnCategoryStatusChanged(this, provided_category_, category_status_);
   bookmark_model_->AddObserver(this);
   FetchBookmarks();
 }
@@ -91,10 +92,6 @@ BookmarkSuggestionsProvider::~BookmarkSuggestionsProvider() {
 ////////////////////////////////////////////////////////////////////////////////
 // Private methods
 
-std::vector<Category> BookmarkSuggestionsProvider::GetProvidedCategories() {
-  return std::vector<Category>({provided_category_});
-}
-
 CategoryStatus BookmarkSuggestionsProvider::GetCategoryStatus(
     Category category) {
   DCHECK_EQ(category, provided_category_);