Index: ios/chrome/browser/ui/toolbar/toolbar_button_tints.mm |
diff --git a/ios/chrome/browser/ui/toolbar/toolbar_button_tints.mm b/ios/chrome/browser/ui/toolbar/toolbar_button_tints.mm |
index 6d189641f0c0acd0c2d595b8ed2ed9c43bb3a270..198153e8677abc027e982e7f3b43cb58fc4f85d3 100644 |
--- a/ios/chrome/browser/ui/toolbar/toolbar_button_tints.mm |
+++ b/ios/chrome/browser/ui/toolbar/toolbar_button_tints.mm |
@@ -6,6 +6,10 @@ |
#import "ios/chrome/browser/ui/uikit_ui_util.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace toolbar { |
// The colors used to tint the buttons in the toolbar. |