CollectionViewTextItem no longer styles CollectionViewTextCell

ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm

Index: ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm
diff --git a/ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm b/ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm
index 60a5e36d872fe20f4bc13b6f1164b5523270549a..32f9797b6aca3c2bda11779003bf4837d39283c8 100644
--- a/ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm
+++ b/ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller.mm
@@ -20,6 +20,7 @@
 #include "ios/chrome/browser/reading_list/offline_url_utils.h"
 #include "ios/chrome/browser/reading_list/reading_list_download_service.h"
 #import "ios/chrome/browser/ui/alert_coordinator/action_sheet_coordinator.h"
+#import "ios/chrome/browser/ui/collection_view/cells/collection_view_text_cell.h"
 #import "ios/chrome/browser/ui/collection_view/cells/collection_view_text_item.h"
 #import "ios/chrome/browser/ui/collection_view/collection_view_model.h"
 #import "ios/chrome/browser/ui/favicon/favicon_attributes_provider.h"
@@ -36,6 +37,7 @@
 #include "ios/chrome/grit/ios_strings.h"
 #import "ios/third_party/material_components_ios/src/components/AppBar/src/MaterialAppBar.h"
 #import "ios/third_party/material_components_ios/src/components/Palettes/src/MaterialPalettes.h"
+#import "ios/third_party/material_components_ios/src/components/Typography/src/MaterialTypography.h"
 #include "ios/web/public/referrer.h"
 #include "ios/web/public/web_state/web_state.h"
 #include "net/base/network_change_notifier.h"
@@ -277,6 +279,28 @@ using ItemsMapByDate = std::multimap<int64_t, ReadingListCollectionViewItem*>;
   [self.collectionView addGestureRecognizer:longPressRecognizer];
 }
 
+#pragma mark - UICollectionViewDataSource
+
+- (UICollectionViewCell*)collectionView:(UICollectionView*)collectionView
+                 cellForItemAtIndexPath:(NSIndexPath*)indexPath {
+  UICollectionViewCell* cell =
+      [super collectionView:collectionView cellForItemAtIndexPath:indexPath];
+
+  NSInteger itemType =
+      [self.collectionViewModel itemTypeForIndexPath:indexPath];
+  switch (itemType) {
+    case ItemTypeHeader: {
+      CollectionViewTextCell* textCell =
+          base::mac::ObjCCastStrict<CollectionViewTextCell>(cell);
+      textCell.textLabel.textColor = [[MDCPalette greyPalette] tint500];
+      break;
+    }
+    default:
+      break;
+  }
+  return cell;
+}
+
 #pragma mark - UICollectionViewDelegate
 
 - (void)collectionView:(UICollectionView*)collectionView
@@ -1185,7 +1209,6 @@ using ItemsMapByDate = std::multimap<int64_t, ReadingListCollectionViewItem*>;
       header.text = l10n_util::GetNSString(IDS_IOS_READING_LIST_UNREAD_HEADER);
       break;
   }
-  header.textColor = [[MDCPalette greyPalette] tint500];
   return header;
 }