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

ios/chrome/browser/ssl/ios_security_state_tab_helper.mm

 // Copyright 2016 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/ssl/ios_security_state_tab_helper.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_macros.h"
 #include "components/security_state/core/security_state.h"
 #include "ios/web/public/navigation_item.h"
 #import "ios/web/public/navigation_manager.h"
 #import "ios/web/public/origin_util.h"
 #include "ios/web/public/security_style.h"
 #include "ios/web/public/ssl_status.h"
 #include "ios/web/public/web_state/web_state.h"
 #include "net/cert/x509_certificate.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 DEFINE_WEB_STATE_USER_DATA_KEY(IOSSecurityStateTabHelper);
 
 IOSSecurityStateTabHelper::IOSSecurityStateTabHelper(web::WebState* web_state)
     : web_state_(web_state) {}
 
 IOSSecurityStateTabHelper::~IOSSecurityStateTabHelper() {}
 
 void IOSSecurityStateTabHelper::GetSecurityInfo(
     security_state::SecurityInfo* result) const {
   security_state::GetSecurityInfo(GetVisibleSecurityState(),
@@ skipping 15 matching lines @@
   const web::SSLStatus& ssl = item->GetSSL();
   state->certificate = ssl.certificate;
   state->cert_status = ssl.cert_status;
   state->connection_status = ssl.connection_status;
   state->security_bits = ssl.security_bits;
   state->displayed_mixed_content =
       (ssl.content_status & web::SSLStatus::DISPLAYED_INSECURE_CONTENT) ? true
                                                                         : false;
   return state;
 }