Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/views/download/download_feedback_dialog_view.cc

Index: chrome/browser/ui/views/download/download_feedback_dialog_view.cc
diff --git a/chrome/browser/ui/views/download/download_feedback_dialog_view.cc b/chrome/browser/ui/views/download/download_feedback_dialog_view.cc
index 87e155c898aee4ff4f39cd9d69351568ab767552..9eed1707ffaf8dfd31de59ab7171c53acab9d8b0 100644
--- a/chrome/browser/ui/views/download/download_feedback_dialog_view.cc
+++ b/chrome/browser/ui/views/download/download_feedback_dialog_view.cc
@@ -156,8 +156,9 @@ void DownloadFeedbackDialogView::LinkClicked(
       ui::DispositionFromEventFlags(event_flags);
   content::OpenURLParams params(
       GURL(l10n_util::GetStringUTF8(IDS_SAFE_BROWSING_PRIVACY_POLICY_URL)),
-      content::Referrer(),
-      disposition == CURRENT_TAB ? NEW_FOREGROUND_TAB : disposition,
+      content::Referrer(), disposition == WindowOpenDisposition::CURRENT_TAB
+                               ? WindowOpenDisposition::NEW_FOREGROUND_TAB
+                               : disposition,
       ui::PAGE_TRANSITION_LINK, false);
   navigator_->OpenURL(params);
 }