Enable "Hide Extension" option when "Save Link As" on the Mac

content/browser/download/download_file_impl.cc

Index: content/browser/download/download_file_impl.cc
diff --git a/content/browser/download/download_file_impl.cc b/content/browser/download/download_file_impl.cc
index c5bed5405bab9a1be7c3c6a9a764c23a566e598f..58f71e34a3e097d76b7df3397dfb0b933e6672ef 100644
--- a/content/browser/download/download_file_impl.cc
+++ b/content/browser/download/download_file_impl.cc
@@ -244,6 +244,10 @@ void DownloadFileImpl::SetClientGuid(const std::string& guid) {
   file_.SetClientGuid(guid);
 }
 
+void DownloadFileImpl::SetHideFileExtension(bool hide_extension) {
+  file_.set_hide_file_extension(hide_extension);
+}
+
 void DownloadFileImpl::StreamActive() {
   base::TimeTicks start(base::TimeTicks::Now());
   base::TimeTicks now;