Suggestions UI - stack item

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

Index: ios/chrome/browser/ui/suggestions/suggestions_stack_item.h
diff --git a/ios/chrome/browser/ui/suggestions/suggestions_stack_item.h b/ios/chrome/browser/ui/suggestions/suggestions_stack_item.h
new file mode 100644
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+++ b/ios/chrome/browser/ui/suggestions/suggestions_stack_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_SUGGESTIONS_STACK_ITEM_H_
+#define IOS_CHROME_BROWSER_UI_SUGGESTIONS_SUGGESTIONS_STACK_ITEM_H_
+
+#import "ios/chrome/browser/ui/collection_view/cells/collection_view_item.h"
+#import "ios/third_party/material_components_ios/src/components/CollectionCells/src/MaterialCollectionCells.h"
+
+// Item for a suggestions stack item. The stack items show an item on the top
+// and hint that there are other items available. Click on the top item will
+// trigger an action, clicking the rest of the cell another.
+@interface SuggestionsStackItem : CollectionViewItem
+
+// Initialize a suggestions item with a |title| and a |subtitle|. |type| is the
+// type of the item.
+- (instancetype)initWithType:(NSInteger)type
+                       title:(NSString*)title
+                    subtitle:(NSString*)subtitle NS_DESIGNATED_INITIALIZER;
+- (instancetype)initWithType:(NSInteger)type NS_UNAVAILABLE;
+
+@end
+
+// Corresponding cell for a suggestions stack item.
+@interface SuggestionsStackCell : MDCCollectionViewCell
+
+@property(nonatomic, readonly, strong) UIButton* titleButton;
+@property(nonatomic, readonly, strong) UILabel* detailTextLabel;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_SUGGESTIONS_SUGGESTIONS_STACK_ITEM_H_