[iOS][Chromne-Guard] Tints checkmark in the cookies view

This Cl tints the checkmark image present in the cookies view.

Bug: 1063824
Change-Id: I549d7f9456c34aa38f1b053ad3680e0a5d6dfb46
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2253747
Commit-Queue: Ewann Pellé <ewannpv@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#781241}

ios/chrome/browser/ui/settings/privacy/cookies_view_controller.mm

@@ -152,8 +152,10 @@ typedef NS_ENUM(NSInteger, SectionIdentifier) {
         .iconImageName = @"accessory_no_checkmark";
   }
   self.selectedCookiesItem = [self.tableViewModel itemAtIndexPath:indexPath];
-  static_cast<TableViewInfoButtonItem*>(self.selectedCookiesItem)
-      .iconImageName = @"accessory_checkmark";
+  TableViewInfoButtonItem* selectedItem =
+      static_cast<TableViewInfoButtonItem*>(self.selectedCookiesItem);
+  selectedItem.iconImageName = @"accessory_checkmark";
+  selectedItem.tintColor = [UIColor colorNamed:kBlueColor];
 
   if (previousSelectedCookiesItem)
     [self reconfigureCellsForItems:@[