Option-click to download should not display "Save As" UI.

chrome/browser/renderer_host/resource_message_filter.cc

Index: chrome/browser/renderer_host/resource_message_filter.cc
diff --git a/chrome/browser/renderer_host/resource_message_filter.cc b/chrome/browser/renderer_host/resource_message_filter.cc
index d303394da6e045f62d6e1d088b327dd571070023..db68f43ad424e76314cf4651a621842369e25c50 100644
--- a/chrome/browser/renderer_host/resource_message_filter.cc
+++ b/chrome/browser/renderer_host/resource_message_filter.cc
@@ -908,9 +908,13 @@ void ResourceMessageFilter::OnDownloadUrl(const IPC::Message& message,
                                           const GURL& url,
                                           const GURL& referrer) {
   URLRequestContext* context = request_context_->GetURLRequestContext();
+
+  // Don't show "Save As" UI.
+  bool prompt_for_save_location = false;
   resource_dispatcher_host_->BeginDownload(url,
                                            referrer,
                                            DownloadSaveInfo(),
+                                           prompt_for_save_location,
                                            id(),
                                            message.routing_id(),
                                            context);