EarlGrey tests for Payment Request (base CL)

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

Index: ios/chrome/browser/payments/cells/page_info_item.mm
diff --git a/ios/chrome/browser/payments/cells/page_info_item.mm b/ios/chrome/browser/payments/cells/page_info_item.mm
index 4257a13698ba3776c6010a2e9e00d6201f424db4..ffdde5bad15c27003b0926bab1891f3f437db5fb 100644
--- a/ios/chrome/browser/payments/cells/page_info_item.mm
+++ b/ios/chrome/browser/payments/cells/page_info_item.mm
@@ -11,6 +11,8 @@
 #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;
@@ -65,6 +67,7 @@ const CGFloat kHorizontalPadding = 16;
     // Favicon
     _pageFaviconView = [[UIImageView alloc] initWithFrame:CGRectZero];
     _pageFaviconView.translatesAutoresizingMaskIntoConstraints = NO;
+    _pageFaviconView.accessibilityIdentifier = kPageInfoFaviconImageViewId;
     [self.contentView addSubview:_pageFaviconView];
 
     // Page title