[ios] Adds fixed height for SummaryPageInfo cell

TBR=sczs@chromium.org

(cherry picked from commit 009890a)

Bug: 879134
Cq-Include-Trybots: luci.chromium.try:ios-simulator-cronet;luci.chromium.try:ios-simulator-full-configs
Change-Id: Ie3c2b55b86c9710595c87856ce213675facac9b0
Reviewed-on: https://chromium-review.googlesource.com/1199686
Reviewed-by: Mark Cogan <marq@chromium.org>
Commit-Queue: Sergio Collazos <sczs@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#588538}
Reviewed-on: https://chromium-review.googlesource.com/1208911
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Cr-Commit-Position: refs/branch-heads/3538@{#73}
Cr-Branched-From: 79f7c91-refs/heads/master@{#587811}

Author: sczs

ios/chrome/browser/ui/payments/payment_request_view_controller.mm

@@ -35,9 +35,9 @@
 
 namespace {
 const CGFloat kFooterCellHorizontalPadding = 16;
-
 const CGFloat kButtonEdgeInset = 9;
 const CGFloat kSeparatorEdgeInset = 14;
+const CGFloat kSummaryPageInfoRowHeight = 55;
 
 typedef NS_ENUM(NSInteger, SectionIdentifier) {
   SectionIdentifierSummary = kSectionIdentifierEnumZero,
@@ -398,6 +398,13 @@ - (CGFloat)collectionView:(UICollectionView*)collectionView
   CollectionViewItem* item =
       [self.collectionViewModel itemAtIndexPath:indexPath];
 
+  // TODO(crbug.com/879588): Remove this when/if cr_preferredHeightForWidth
+  // works on the next iOS 12 releases.
+  if (@available(iOS 12, *)) {
+    if (item.type == ItemTypeSummaryPageInfo)
+      return kSummaryPageInfoRowHeight;
+  }
+
   UIEdgeInsets inset = [self collectionView:collectionView
                                      layout:collectionView.collectionViewLayout
                      insetForSectionAtIndex:indexPath.section];