[ObjC ARC] Converts components/translate/ios/browser:browser to ARC.

components/translate/ios/browser/ios_translate_driver.mm

 // Copyright 2014 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 "components/translate/ios/browser/ios_translate_driver.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 11 matching lines @@
 #include "ios/web/public/load_committed_details.h"
 #include "ios/web/public/navigation_item.h"
 #include "ios/web/public/navigation_manager.h"
 #include "ios/web/public/referrer.h"
 #include "ios/web/public/web_state/js/crw_js_injection_receiver.h"
 #include "ios/web/public/web_state/web_state.h"
 #include "ui/base/page_transition_types.h"
 #include "ui/base/window_open_disposition.h"
 #include "url/gurl.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 namespace translate {
 
 namespace {
 // The delay we wait in milliseconds before checking whether the translation has
 // finished.
 // Note: This should be kept in sync with the constant of the same name in
 // translate_ios.js.
 const int kTranslateStatusCheckDelayMs = 400;
 // Language name passed to the Translate element for it to detect the language.
 const char kAutoDetectionLanguage[] = "auto";
@@ skipping 213 matching lines @@
     translate_manager_->PageTranslated(source_language_, target_language_,
                                        TranslateErrors::TRANSLATION_ERROR);
   }
 
   TranslationDidSucceed(source_language_, target_language_,
                         pending_page_seq_no_, original_language,
                         translation_time);
 }
 
 }  // namespace translate