Bug 519354: fix nsIDownloadManagerUI implementation, r=mfinkle

--HG--
extra : rebase_source : 26dfb0ec9ee09e3024211e8fa3906ecd037f4b5b

mobile/chrome/content/browser.js

@@ -2088,9 +2088,8 @@ function importDialog(src, arguments) {
   return dialog;
 }
 
-function showDownloadsManager(aWindowContext, aID, aReason) {
-  BrowserUI.show(UIMODE_PANEL);
-  BrowserUI.switchPane("downloads-container");
+function showDownloadManager(aWindowContext, aID, aReason) {
+  BrowserUI.showPanel("downloads-container");
   // TODO: select the download with aID
 }