Use CollectionViewTextItem instead of a cast

ios/chrome/browser/ui/settings/password_details_collection_view_controller.mm

 // Copyright 2015 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/ui/settings/password_details_collection_view_controller.h"
 
 #import "base/ios/weak_nsobject.h"
 #include "base/mac/foundation_util.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 105 matching lines @@
 
 - (void)loadModel {
   [super loadModel];
   CollectionViewModel* model = self.collectionViewModel;
 
   [model addSectionWithIdentifier:SectionIdentifierUsername];
   CollectionViewTextItem* usernameHeader = [
       [[CollectionViewTextItem alloc] initWithType:ItemTypeHeader] autorelease];
   usernameHeader.text =
       l10n_util::GetNSString(IDS_IOS_SHOW_PASSWORD_VIEW_USERNAME);
+  usernameHeader.textColor = [[MDCPalette greyPalette] tint500];
   [model setHeader:usernameHeader
       forSectionWithIdentifier:SectionIdentifierUsername];
   PasswordDetailsItem* usernameItem =
       [[[PasswordDetailsItem alloc] initWithType:ItemTypeUsername] autorelease];
   usernameItem.text = _username;
   usernameItem.showingText = YES;
   [model addItem:usernameItem
       toSectionWithIdentifier:SectionIdentifierUsername];
 
   [model addSectionWithIdentifier:SectionIdentifierPassword];
   CollectionViewTextItem* passwordHeader = [
       [[CollectionViewTextItem alloc] initWithType:ItemTypeHeader] autorelease];
   passwordHeader.text =
       l10n_util::GetNSString(IDS_IOS_SHOW_PASSWORD_VIEW_PASSWORD);
+  passwordHeader.textColor = [[MDCPalette greyPalette] tint500];
   [model setHeader:passwordHeader
       forSectionWithIdentifier:SectionIdentifierPassword];
   _passwordItem.reset(
       [[PasswordDetailsItem alloc] initWithType:ItemTypePassword]);
   _passwordItem.get().text = _password;
   _passwordItem.get().showingText = NO;
   [model addItem:_passwordItem
       toSectionWithIdentifier:SectionIdentifierPassword];
 
   // TODO(crbug.com/159166): Change the style of the buttons once there are
@@ skipping 26 matching lines @@
       initWithType:ItemTypeShowHide] autorelease];
   item.text = [self showHideButtonText];
   item.accessibilityTraits |= UIAccessibilityTraitButton;
   return item;
 }
 
 - (CollectionViewItem*)deletePasswordButtonItem {
   CollectionViewTextItem* item = [
       [[CollectionViewTextItem alloc] initWithType:ItemTypeDelete] autorelease];
   item.text = l10n_util::GetNSString(IDS_IOS_SETTINGS_PASSWORD_DELETE_BUTTON);
+  item.textColor = [[MDCPalette cr_redPalette] tint500];
   item.accessibilityTraits |= UIAccessibilityTraitButton;
   return item;
 }
 
 #pragma mark - Actions
 
 - (NSString*)showHideButtonText {
   if (_plainTextPasswordShown) {
     return l10n_util::GetNSString(IDS_IOS_SETTINGS_PASSWORD_HIDE_BUTTON);
   }
@@ skipping 97 matching lines @@
 - (void)showCopyPasswordResultToast:(NSString*)message {
   MDCSnackbarMessage* copyPasswordResultMessage =
       [MDCSnackbarMessage messageWithText:message];
   [MDCSnackbarManager showMessage:copyPasswordResultMessage];
 }
 
 - (void)deletePassword {
   [_weakDelegate deletePassword:_passwordForm];
 }
 
-#pragma mark - UICollectionViewDataSource
-
-- (UICollectionReusableView*)collectionView:(UICollectionView*)collectionView
-          viewForSupplementaryElementOfKind:(NSString*)kind
-                                atIndexPath:(NSIndexPath*)indexPath {
-  UICollectionReusableView* view = [super collectionView:collectionView
-                       viewForSupplementaryElementOfKind:kind
-                                             atIndexPath:indexPath];
-  MDCCollectionViewTextCell* textCell =
-      base::mac::ObjCCast<MDCCollectionViewTextCell>(view);
-  if (textCell) {
-    textCell.textLabel.textColor = [[MDCPalette greyPalette] tint500];
-  }
-  return view;
-}
-
-- (UICollectionViewCell*)collectionView:(UICollectionView*)collectionView
-                 cellForItemAtIndexPath:(NSIndexPath*)indexPath {
-  UICollectionViewCell* cell =
-      [super collectionView:collectionView cellForItemAtIndexPath:indexPath];
-
-  NSInteger type = [self.collectionViewModel itemTypeForIndexPath:indexPath];
-  if (type == ItemTypeDelete) {
-    MDCCollectionViewTextCell* textCell =
-        base::mac::ObjCCastStrict<MDCCollectionViewTextCell>(cell);
-    textCell.textLabel.textColor = [[MDCPalette cr_redPalette] tint500];
-  }
-
-  return cell;
-}
-
 #pragma mark - UICollectionViewDelegate
 
 - (void)collectionView:(UICollectionView*)collectionView
     didSelectItemAtIndexPath:(NSIndexPath*)indexPath {
   [super collectionView:collectionView didSelectItemAtIndexPath:indexPath];
   NSInteger itemType =
       [self.collectionViewModel itemTypeForIndexPath:indexPath];
   switch (itemType) {
     case ItemTypeShowHide:
       if (_plainTextPasswordShown) {
@@ skipping 24 matching lines @@
     case ItemTypePassword:
       return [MDCCollectionViewCell
           cr_preferredHeightForWidth:CGRectGetWidth(collectionView.bounds)
                              forItem:item];
     default:
       return MDCCellDefaultOneLineHeight;
   }
 }
 
 @end