[ios clean] Add placeholder for NTP bookmarks, chrome home and open tabs.

ios/clean/chrome/browser/ui/ntp/new_tab_page_view_controller.h

Index: ios/clean/chrome/browser/ui/ntp/new_tab_page_view_controller.h
diff --git a/ios/clean/chrome/browser/ui/ntp/new_tab_page_view_controller.h b/ios/clean/chrome/browser/ui/ntp/new_tab_page_view_controller.h
index c2b5f34dea080e34c1cc81a1fe513a95feb1d7c2..616681c01a9c71456a632bbd9f425f2eadfaac51 100644
--- a/ios/clean/chrome/browser/ui/ntp/new_tab_page_view_controller.h
+++ b/ios/clean/chrome/browser/ui/ntp/new_tab_page_view_controller.h
@@ -7,8 +7,21 @@
 
 #import <UIKit/UIKit.h>
 
+#import "ios/clean/chrome/browser/ui/commands/ntp_commands.h"
+#import "ios/clean/chrome/browser/ui/ntp/new_tab_page_consumer.h"
+
 // View controller that displays a new tab page.
-@interface NTPViewController : UIViewController
+@interface NTPViewController : UIViewController<NTPConsumer>
+@property(nonatomic, weak) id<NTPCommands> ntpCommandHandler;

[marq (ping after 24h), 2017/04/05 12:22:48]

just 'commandHandler' is fine, or (more likely) 'dispatcher'.

[justincohen, 2017/04/05 19:28:24]

Done.

+
+// Add a Chrome Home panel.
+- (void)addHomePanelViewController:(UIViewController*)controller;
+// Add a bookmarks panel on iPad or present a bookmarks panel on iPhone.
+- (void)addBookmarksViewController:(UIViewController*)controller;
+// Add a open tabs panel on iPad or present a bookmarks panel on iPhone.
+- (void)addOpenTabsViewController:(UIViewController*)controller;
+// Add an incognito panel.
+- (void)addIncognitoViewController:(UIViewController*)controller;
 @end
 
 #endif  // IOS_CLEAN_CHROME_BROWSER_UI_NTP_NEW_TAB_PAGE_VIEW_CONTROLLER_H_