| Index: ios/chrome/browser/ui/toolbar/BUILD.gn
 | 
| diff --git a/ios/chrome/browser/ui/toolbar/BUILD.gn b/ios/chrome/browser/ui/toolbar/BUILD.gn
 | 
| index 65fe92404af2603317a521d5693313c70d6a9f7a..3fead946cd1990e1891b120797c71e2851e292cc 100644
 | 
| --- a/ios/chrome/browser/ui/toolbar/BUILD.gn
 | 
| +++ b/ios/chrome/browser/ui/toolbar/BUILD.gn
 | 
| @@ -135,6 +135,7 @@ source_set("resource_macros") {
 | 
|  }
 | 
|  
 | 
|  source_set("test_support") {
 | 
| +  configs += [ "//build/config/compiler:enable_arc" ]
 | 
|    testonly = true
 | 
|    sources = [
 | 
|      "test_toolbar_model_ios.h",
 | 
| 
 |