Convert WindowOpenDisposition to an enum class.

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 147 matching lines @@
 
 const GURL& IOSTranslateDriver::GetVisibleURL() {
   return web_state()->GetVisibleURL();
 }
 
 bool IOSTranslateDriver::HasCurrentPage() {
   return (navigation_manager_->GetVisibleItem() != nullptr);
 }
 
 void IOSTranslateDriver::OpenUrlInNewTab(const GURL& url) {
-  web::WebState::OpenURLParams params(url, web::Referrer(), NEW_FOREGROUND_TAB,
+  web::WebState::OpenURLParams params(url, web::Referrer(),
+                                      WindowOpenDisposition::NEW_FOREGROUND_TAB,
                                       ui::PAGE_TRANSITION_LINK, false);
   web_state()->OpenURL(params);
 }
 
 void IOSTranslateDriver::TranslationDidSucceed(
     const std::string& source_lang,
     const std::string& target_lang,
     int page_seq_no,
     const std::string& original_page_language,
     double translation_time) {
@@ skipping 75 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