Upstream Chrome on iOS source code [6/11].

ios/chrome/browser/ui/ntp/recent_tabs/recent_tabs_panel_controller.h

+// Copyright 2014 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_BROWSER_UI_NTP_RECENT_TABS_RECENT_TABS_PANEL_CONTROLLER_H_
+#define IOS_CHROME_BROWSER_UI_NTP_RECENT_TABS_RECENT_TABS_PANEL_CONTROLLER_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/browser/ui/ntp/new_tab_page_panel_protocol.h"
+
+namespace ios {
+class ChromeBrowserState;
+}
+
+@class RecentTabsTableViewController;
+@protocol UrlLoader;
+
+// This is the controller for the Recent Tabs panel on the New Tab Page.
+// RecentTabsPanelController controls the RecentTabTableViewDataSource, based on
+// the user's signed-in and chrome-sync states.
+//
+// RecentTabsPanelController listens for notifications about Chrome Sync
+// and ChromeToDevice and changes/updates the view accordingly.
+//
+@interface RecentTabsPanelController : NSObject<NewTabPagePanelProtocol>
+
+// Public initializer.
+- (instancetype)initWithLoader:(id<UrlLoader>)loader
+                  browserState:(ios::ChromeBrowserState*)browserState;
+
+// Private initializer, exposed for testing.
+- (instancetype)initWithController:(RecentTabsTableViewController*)controller
+                      browserState:(ios::ChromeBrowserState*)browserState
+    NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)init NS_UNAVAILABLE;
+
+// Mark super designated initializer as unavailable.
+- (instancetype)initWithNibNamed:(NSString*)nibName NS_UNAVAILABLE;
+
+// Reloads the closed tab list and updates the content of the tableView.
+- (void)reloadClosedTabsList;
+
+// Reloads the session data and updates the content of the tableView.
+- (void)reloadSessions;
+
+// Sets the tab restore service to null.
+- (void)tabRestoreServiceDestroyed;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_NTP_RECENT_TABS_RECENT_TABS_PANEL_CONTROLLER_H_