[ObjC ARC] Converts ios/chrome/browser/google:google to ARC.Automatically generated ARCMigrate co…

ios/chrome/browser/google/google_brand.mm

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ios/chrome/browser/google/google_brand.h"
 
 #include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 namespace ios {
 namespace google_brand {
 
 bool GetBrand(std::string* brand) {
   if (!ios::GetChromeBrowserProvider())
     return false;
 
   brand->assign(ios::GetChromeBrowserProvider()->GetDistributionBrandCode());
   return true;
 }
 
 bool IsOrganic(const std::string& brand) {
   // An empty brand string on iOS is used for organic installation. All other
   // iOS brand string are non-organic.
   return brand.empty();
 }
 
 }  // namespace google_brand
 }  // namespace ios