| Index: ios/chrome/browser/ui/tab_switcher/BUILD.gn
 | 
| diff --git a/ios/chrome/browser/ui/tab_switcher/BUILD.gn b/ios/chrome/browser/ui/tab_switcher/BUILD.gn
 | 
| index b38fde2afb7b826299a6c9a5dafe2ce27c29e380..7fa5e7efde28270e2f43909fc12c8a8fe1de9d01 100644
 | 
| --- a/ios/chrome/browser/ui/tab_switcher/BUILD.gn
 | 
| +++ b/ios/chrome/browser/ui/tab_switcher/BUILD.gn
 | 
| @@ -176,6 +176,7 @@ source_set("unit_tests") {
 | 
|  }
 | 
|  
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|  source_set("eg_tests") {
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| +  configs += [ "//build/config/compiler:enable_arc" ]
 | 
|    testonly = true
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|    sources = [
 | 
|      "tab_switcher_controller_egtest.mm",
 | 
| 
 |