Expose font and color of the main and secondary texts in CollectionViewTextItem

ios/chrome/browser/payments/shipping_option_selection_view_controller.mm

 // 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.
 
 #import "ios/chrome/browser/payments/shipping_option_selection_view_controller.h"
 
 #import "base/ios/weak_nsobject.h"
 #include "base/mac/foundation_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "components/strings/grit/components_strings.h"
@@ skipping 83 matching lines @@
         initWithType:ItemTypeShippingOption] autorelease];
     item.text = base::SysUTF16ToNSString(shippingOption->label);
     NSString* currencyCode =
         base::SysUTF16ToNSString(shippingOption->amount.currency);
     NSDecimalNumber* value = [NSDecimalNumber
         decimalNumberWithString:SysUTF16ToNSString(
                                     shippingOption->amount.value)];
     item.detailText =
         payment_request_utils::FormattedCurrencyString(value, currencyCode);
 
+    // Styling.
+    item.textFont = [MDCTypography body2Font];
+    item.textColor = [[MDCPalette greyPalette] tint900];
+    item.detailTextFont = [MDCTypography body1Font];
+    item.detailTextColor = [[MDCPalette greyPalette] tint900];
+
     if (_selectedShippingOption == shippingOption) {
       item.accessoryType = MDCCollectionViewCellAccessoryCheckmark;
       _selectedItem = item;
     }
 
     [model addItem:item
         toSectionWithIdentifier:SectionIdentifierShippingOption];
   }
 }
 
 - (void)viewDidLoad {
   [super viewDidLoad];
   self.collectionView.accessibilityIdentifier =
       kShippingOptionSelectionCollectionViewId;
 
   // Customize collection view settings.
   self.styler.cellStyle = MDCCollectionViewCellStyleCard;
   self.styler.separatorInset =
       UIEdgeInsetsMake(0, kSeparatorEdgeInset, 0, kSeparatorEdgeInset);
 }
 
-#pragma mark UICollectionViewDataSource
-
-- (UICollectionViewCell*)collectionView:(UICollectionView*)collectionView
-                 cellForItemAtIndexPath:(nonnull NSIndexPath*)indexPath {
-  UICollectionViewCell* cell =
-      [super collectionView:collectionView cellForItemAtIndexPath:indexPath];
-
-  NSInteger itemType =
-      [self.collectionViewModel itemTypeForIndexPath:indexPath];
-  DCHECK(ItemTypeShippingOption == itemType);
-
-  MDCCollectionViewTextCell* textCell =
-      base::mac::ObjCCastStrict<MDCCollectionViewTextCell>(cell);
-  textCell.textLabel.font = [MDCTypography body2Font];
-  textCell.textLabel.textColor = [[MDCPalette greyPalette] tint900];
-  textCell.detailTextLabel.font = [MDCTypography body1Font];
-  textCell.detailTextLabel.textColor = [[MDCPalette greyPalette] tint900];
-
-  return cell;
-}
-
 #pragma mark UICollectionViewDelegate
 
 - (void)collectionView:(UICollectionView*)collectionView
     didSelectItemAtIndexPath:(NSIndexPath*)indexPath {
   [super collectionView:collectionView didSelectItemAtIndexPath:indexPath];
 
   CollectionViewModel* model = self.collectionViewModel;
 
   NSInteger itemType =
       [self.collectionViewModel itemTypeForIndexPath:indexPath];
@@ skipping 25 matching lines @@
 }
 
 #pragma mark MDCCollectionViewStylingDelegate
 
 - (CGFloat)collectionView:(UICollectionView*)collectionView
     cellHeightAtIndexPath:(NSIndexPath*)indexPath {
   return MDCCellDefaultTwoLineHeight;
 }
 
 @end