MD Downloads: wrap some <paper-buttons>s in <template is="dom-if">

chrome/browser/ui/webui/downloads_dom_handler.cc

Index: chrome/browser/ui/webui/downloads_dom_handler.cc
diff --git a/chrome/browser/ui/webui/downloads_dom_handler.cc b/chrome/browser/ui/webui/downloads_dom_handler.cc
index 38489289f31bdc2b908158e246d8f081d3b52430..9fc7c07b5dc5fbc626ed404aa32261156c9b837f 100644
--- a/chrome/browser/ui/webui/downloads_dom_handler.cc
+++ b/chrome/browser/ui/webui/downloads_dom_handler.cc
@@ -307,8 +307,8 @@ void DownloadsDOMHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("discardDangerous",
       base::Bind(&DownloadsDOMHandler::HandleDiscardDangerous,
                  weak_ptr_factory_.GetWeakPtr()));
-  web_ui()->RegisterMessageCallback("show",
-      base::Bind(&DownloadsDOMHandler::HandleShow,
+  web_ui()->RegisterMessageCallback("showInFolder",
+      base::Bind(&DownloadsDOMHandler::HandleShowInFolder,
                  weak_ptr_factory_.GetWeakPtr()));
   web_ui()->RegisterMessageCallback("pause",
       base::Bind(&DownloadsDOMHandler::HandlePause,
@@ -470,7 +470,7 @@ void DownloadsDOMHandler::HandleDiscardDangerous(const base::ListValue* args) {
     file->Remove();
 }
 
-void DownloadsDOMHandler::HandleShow(const base::ListValue* args) {
+void DownloadsDOMHandler::HandleShowInFolder(const base::ListValue* args) {
   CountDownloadsDOMEvents(DOWNLOADS_DOM_EVENT_SHOW);
   content::DownloadItem* file = GetDownloadByValue(args);
   if (file)