Index: ios/chrome/browser/ui/ui_util.mm |
diff --git a/ios/chrome/browser/ui/ui_util.mm b/ios/chrome/browser/ui/ui_util.mm |
index 18228dc3dbde0d37855b57189a7e494f0e6c5da3..5f9ef95d816edbfcc50e71235881eb279c079af8 100644 |
--- a/ios/chrome/browser/ui/ui_util.mm |
+++ b/ios/chrome/browser/ui/ui_util.mm |
@@ -10,6 +10,10 @@ |
#import "ios/chrome/browser/ui/uikit_ui_util.h" |
#include "ui/gfx/ios/uikit_util.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
bool IsIPadIdiom() { |
UIUserInterfaceIdiom idiom = [[UIDevice currentDevice] userInterfaceIdiom]; |
return idiom == UIUserInterfaceIdiomPad; |