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

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

Index: ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.h
diff --git a/ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.h b/ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.h
index fa0ba00c9e0bc4e946c3b0dc94ca6b0c21e95494..91ed173d1cd8925ecc13a964485128acbdb3230b 100644
--- a/ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.h
+++ b/ios/clean/chrome/browser/ui/ntp/new_tab_page_coordinator.h
@@ -8,9 +8,18 @@
 #import <UIKit/UIKit.h>
 #import "ios/shared/chrome/browser/ui/coordinators/browser_coordinator.h"
 
+namespace web {
+class WebState;
+}
+
 // Coordinator that runs a "New Tab Page" : The UI displayed instead of a web
 // page when a new tab is created.
 @interface NTPCoordinator : BrowserCoordinator
+
+// The WebState representing the web page that will be displayed in this NTP.
+// Calling code should assign this before starting this coordinator.
+@property(nonatomic, assign) web::WebState* webState;

[marq (ping after 24h), 2017/04/06 14:30:14]

Is this only used to pass on to the home coordinator?

[justincohen, 2017/04/06 18:25:10]

Yep.

+
 @end
 
 #endif  // IOS_CLEAN_CHROME_BROWSER_UI_NTP_NEW_TAB_PAGE_COORDINATOR_H_