Index: ios/web_view/shell/shell_delegate.mm |
diff --git a/ios/web_view/shell/shell_delegate.mm b/ios/web_view/shell/shell_delegate.mm |
index fea811a5fe40b3a57eb729f22682b8e58aee5980..94be9a96bbc56a2cd33bff80c56743b3895c04d1 100644 |
--- a/ios/web_view/shell/shell_delegate.mm |
+++ b/ios/web_view/shell/shell_delegate.mm |
@@ -4,6 +4,10 @@ |
#import "ios/web_view/shell/shell_delegate.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
@implementation ShellDelegate |
- (NSString*)partialUserAgent { |