EarlGrey tests for Payment Request (base CL)

ios/chrome/browser/payments/cells/page_info_item.h

 // 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_PAYMENTS_CELLS_PAGE_INFO_ITEM_H_
 #define IOS_CHROME_BROWSER_PAYMENTS_CELLS_PAGE_INFO_ITEM_H_
 
 #import <UIKit/UIKit.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"
 
+// The accessibility identifier for the favicon image view.
+extern NSString* const kPageInfoFaviconImageViewId;
+
 // PageInfoItem is the model class corresponding to PageInfoCell.
 @interface PageInfoItem : CollectionViewItem
 
 // The favicon image to display.
 @property(nonatomic, strong) UIImage* pageFavicon;
 
 // The page title text to display.
 @property(nonatomic, copy) NSString* pageTitle;
 
 // The page host text to display.
@@ skipping 12 matching lines @@
 // UILabels containing the page's title and host.
 @property(nonatomic, readonly, strong) UILabel* pageTitleLabel;
 @property(nonatomic, readonly, strong) UILabel* pageHostLabel;
 
 // UIImageView containing the page's favicon.
 @property(nonatomic, readonly, strong) UIImageView* pageFaviconView;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_PAYMENTS_CELLS_PAGE_INFO_ITEM_H_