Suggestions UI - expandable item

ios/chrome/browser/ui/suggestions/expandable_item.h

Index: ios/chrome/browser/ui/suggestions/expandable_item.h
diff --git a/ios/chrome/browser/ui/suggestions/expandable_item.h b/ios/chrome/browser/ui/suggestions/expandable_item.h
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+++ b/ios/chrome/browser/ui/suggestions/expandable_item.h
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+// Copyright 2017 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_SUGGESTIONS_EXPANDABLE_ITEM_H_
+#define IOS_CHROME_BROWSER_UI_SUGGESTIONS_EXPANDABLE_ITEM_H_
+
+#import <UIKit/UIKit.h>
+
+// Protocol allowing a CollectionViewItem to be expanded.
+@protocol SuggestionsExpandableArticle
+
+// Whether the cells should be in expanded mode.
+@property(nonatomic) BOOL expanded;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_SUGGESTIONS_EXPANDABLE_ITEM_H_