Index: ios/chrome/browser/install_time_util.mm |
diff --git a/ios/chrome/browser/install_time_util.mm b/ios/chrome/browser/install_time_util.mm |
index d61ffba2da9a943e211ad1112a0a39d6fc2239a2..d22486f2caf88d7dc842f5d989dad02db17a4aa8 100644 |
--- a/ios/chrome/browser/install_time_util.mm |
+++ b/ios/chrome/browser/install_time_util.mm |
@@ -9,6 +9,10 @@ |
#include "base/mac/foundation_util.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace { |
NSString* const kInstallationTimeKey = @"omaha.InstallationTime"; |