--- chrome/browser/download/chrome_download_manager_delegate.cc.orig	2024-09-03 20:46:48 UTC
+++ chrome/browser/download/chrome_download_manager_delegate.cc
@@ -1724,7 +1724,7 @@ void ChromeDownloadManagerDelegate::OnDownloadTargetDe
 bool ChromeDownloadManagerDelegate::IsOpenInBrowserPreferredForFile(
     const base::FilePath& path) {
 #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || \
-    BUILDFLAG(IS_MAC)
+    BUILDFLAG(IS_MAC) || BUILDFLAG(IS_BSD)
   if (path.MatchesExtension(FILE_PATH_LITERAL(".pdf"))) {
     return !download_prefs_->ShouldOpenPdfInSystemReader();
   }
@@ -1843,7 +1843,7 @@ void ChromeDownloadManagerDelegate::CheckDownloadAllow
     content::CheckDownloadAllowedCallback check_download_allowed_cb) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || \
-    BUILDFLAG(IS_MAC)
+    BUILDFLAG(IS_MAC) || BUILDFLAG(IS_BSD)
   // Don't download pdf if it is a file URL, as that might cause an infinite
   // download loop if Chrome is not the system pdf viewer.
   if (url.SchemeIsFile() && download_prefs_->ShouldOpenPdfInSystemReader()) {