Use destructive style for remove action

ios/chrome/browser/content_suggestions/content_suggestions_coordinator.mm

Index: ios/chrome/browser/content_suggestions/content_suggestions_coordinator.mm
diff --git a/ios/chrome/browser/content_suggestions/content_suggestions_coordinator.mm b/ios/chrome/browser/content_suggestions/content_suggestions_coordinator.mm
index 4431576114250ee1de240900e8ed3eeed68525a7..a803c22062ed66bb15ca41234508fee7d1c79c3c 100644
--- a/ios/chrome/browser/content_suggestions/content_suggestions_coordinator.mm
+++ b/ios/chrome/browser/content_suggestions/content_suggestions_coordinator.mm
@@ -228,7 +228,7 @@
                                      [weakSelf dismissArticle:weakArticle
                                                   atIndexPath:indexPath];
                                    }
-                                    style:UIAlertActionStyleDefault];
+                                    style:UIAlertActionStyleDestructive];
 
   [self.alertCoordinator addItemWithTitle:l10n_util::GetNSString(IDS_APP_CANCEL)
                                    action:^{
@@ -299,7 +299,7 @@
                       blacklistMostVisitedURL:strongItem.URL];
                   [strongSelf showMostVisitedUndoForURL:strongItem.URL];
                 }
-                 style:UIAlertActionStyleDefault];
+                 style:UIAlertActionStyleDestructive];
 
   [self.alertCoordinator addItemWithTitle:l10n_util::GetNSString(IDS_APP_CANCEL)
                                    action:nil