Use the suggested name from an anchor's 'download' attribute.

content/browser/renderer_host/render_message_filter.cc

Index: content/browser/renderer_host/render_message_filter.cc
diff --git a/content/browser/renderer_host/render_message_filter.cc b/content/browser/renderer_host/render_message_filter.cc
index f06c33cc9413c9c8c906798220862c07d69a8fcf..96df3730a867c1330cf95ff375dec766726bf4ad 100644
--- a/content/browser/renderer_host/render_message_filter.cc
+++ b/content/browser/renderer_host/render_message_filter.cc
@@ -589,12 +589,15 @@ void RenderMessageFilter::OnGenerateRoutingID(int* route_id) {
 
 void RenderMessageFilter::OnDownloadUrl(const IPC::Message& message,
                                         const GURL& url,
-                                        const GURL& referrer) {
+                                        const GURL& referrer,
+                                        const string16& suggested_name) {
   // Don't show "Save As" UI.
   bool prompt_for_save_location = false;
+  DownloadSaveInfo save_info;
+  save_info.suggested_name = suggested_name;
   resource_dispatcher_host_->BeginDownload(url,
                                            referrer,
-                                           DownloadSaveInfo(),
+                                           save_info,
                                            prompt_for_save_location,
                                            render_process_id_,
                                            message.routing_id(),