Index: ios/web/web_state/js/crw_js_plugin_placeholder_manager.mm |
diff --git a/ios/web/web_state/js/crw_js_plugin_placeholder_manager.mm b/ios/web/web_state/js/crw_js_plugin_placeholder_manager.mm |
index f41ca7eaace4c0780e08b72dc2816058190fd036..43d44a175aa15b098dc89b3852dfcbe1782a73aa 100644 |
--- a/ios/web/web_state/js/crw_js_plugin_placeholder_manager.mm |
+++ b/ios/web/web_state/js/crw_js_plugin_placeholder_manager.mm |
@@ -8,6 +8,10 @@ |
#include "base/strings/sys_string_conversions.h" |
#include "ios/web/public/web_client.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
@implementation CRWJSPluginPlaceholderManager |
namespace { |