Upstream Chrome on iOS source code [1/11].

ios/chrome/app/spotlight/topsites_spotlight_manager.h

+// Copyright 2015 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.
+
+#ifndef IOS_CHROME_APP_SPOTLIGHT_TOPSITES_SPOTLIGHT_MANAGER_H_
+#define IOS_CHROME_APP_SPOTLIGHT_TOPSITES_SPOTLIGHT_MANAGER_H_
+
+#import "ios/chrome/app/spotlight/base_spotlight_manager.h"
+
+namespace ios {
+class ChromeBrowserState;
+}  // namespace ios
+
+// This spotlight manager handles indexing of sites shown on the NTP. Because of
+// privacy concerns, only sites shown on the NTP are indexed; therefore, this
+// manager mirrors the functionality seen in google_landing_controller. It uses
+// suggestions (most likely) as a data source if the user is logged in and top
+// sites otherwise.
+
+@interface TopSitesSpotlightManager : BaseSpotlightManager
+
++ (TopSitesSpotlightManager*)topSitesSpotlightManagerWithBrowserState:
+    (ios::ChromeBrowserState*)browserState;
+
+// Reindexes all top sites, batching reindexes by 1 second.
+- (void)reindexTopSites;
+
+@end
+
+#endif  // IOS_CHROME_APP_SPOTLIGHT_TOPSITES_SPOTLIGHT_MANAGER_H_