Upstream Chrome on iOS source code [7/11].

ios/chrome/browser/ui/reading_list/reading_list_menu_notification_delegate.h

Index: ios/chrome/browser/ui/reading_list/reading_list_menu_notification_delegate.h
diff --git a/ios/chrome/browser/ui/reading_list/reading_list_menu_notification_delegate.h b/ios/chrome/browser/ui/reading_list/reading_list_menu_notification_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..4b6353147769c30392c2cc5a3cbf37b4a19e4f53
--- /dev/null
+++ b/ios/chrome/browser/ui/reading_list/reading_list_menu_notification_delegate.h
@@ -0,0 +1,22 @@
+// Copyright 2016 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_READING_LIST_READING_LIST_MENU_NOTIFICATION_DELEGATE_H_
+#define IOS_CHROME_BROWSER_UI_READING_LIST_READING_LIST_MENU_NOTIFICATION_DELEGATE_H_
+
+#import <Foundation/Foundation.h>
+
+// Protocol to implement in order to be delegate for reading list changes
+// impacting the menu.
+@protocol ReadingListMenuNotificationDelegate<NSObject>
+
+// Called when the reading list menu unread count has changed.
+- (void)unreadCountChanged:(NSInteger)unreadCount;
+
+// Called when the reading list menu seen state has changed.
+- (void)unseenStateChanged:(BOOL)unseenItemsExist;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_READING_LIST_READING_LIST_MENU_NOTIFICATION_DELEGATE_H_