Index: ios/web/shell/shell_browser_state.mm |
diff --git a/ios/web/shell/shell_browser_state.mm b/ios/web/shell/shell_browser_state.mm |
index ecffe424959cc2db2fce5652619551511685e249..be4fc4cbca99e3fd0f1e9c7f41356fd8ccd815c7 100644 |
--- a/ios/web/shell/shell_browser_state.mm |
+++ b/ios/web/shell/shell_browser_state.mm |
@@ -12,6 +12,10 @@ |
#include "ios/web/public/web_thread.h" |
#include "ios/web/shell/shell_url_request_context_getter.h" |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
namespace web { |
ShellBrowserState::ShellBrowserState() : BrowserState() { |