EarlGrey tests for Payment Request (base CL)

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

 // 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.
 
 #import "ios/chrome/browser/payments/cells/page_info_item.h"
 
 #import "ios/third_party/material_components_ios/src/components/Palettes/src/MaterialPalettes.h"
 #import "ios/third_party/material_roboto_font_loader_ios/src/src/MaterialRobotoFontLoader.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
+NSString* const kPageInfoFaviconImageViewId = @"kPageInfoFaviconImageViewId";
+
 namespace {
 // Padding used on the top and bottom edges of the cell.
 const CGFloat kVerticalPadding = 12;
 
 // Padding used on the leading and trailing edges of the cell and between the
 // favicon and labels.
 const CGFloat kHorizontalPadding = 16;
 }
 
 @implementation PageInfoItem
@@ skipping 34 matching lines @@
 @synthesize pageFaviconView = _pageFaviconView;
 
 - (instancetype)initWithFrame:(CGRect)frame {
   self = [super initWithFrame:frame];
   if (self) {
     self.isAccessibilityElement = YES;
 
     // Favicon
     _pageFaviconView = [[UIImageView alloc] initWithFrame:CGRectZero];
     _pageFaviconView.translatesAutoresizingMaskIntoConstraints = NO;
+    _pageFaviconView.accessibilityIdentifier = kPageInfoFaviconImageViewId;
     [self.contentView addSubview:_pageFaviconView];
 
     // Page title
     _pageTitleLabel = [[UILabel alloc] initWithFrame:CGRectZero];
     _pageTitleLabel.font =
         [[MDFRobotoFontLoader sharedInstance] mediumFontOfSize:12];
     _pageTitleLabel.textColor = [[MDCPalette greyPalette] tint900];
     _pageTitleLabel.backgroundColor = [UIColor clearColor];
     _pageTitleLabel.translatesAutoresizingMaskIntoConstraints = NO;
     [self.contentView addSubview:_pageTitleLabel];
@@ skipping 74 matching lines @@
 }
 
 #pragma mark - Accessibility
 
 - (NSString*)accessibilityLabel {
   return [NSString stringWithFormat:@"%@, %@", self.pageTitleLabel.text,
                                     self.pageHostLabel.text];
 }
 
 @end