file_manager: Allow renaming of Drive files even when offline

chrome/browser/resources/file_manager/foreground/js/file_manager_commands.js

Index: chrome/browser/resources/file_manager/foreground/js/file_manager_commands.js
diff --git a/chrome/browser/resources/file_manager/foreground/js/file_manager_commands.js b/chrome/browser/resources/file_manager/foreground/js/file_manager_commands.js
index 41e007852c420378a214ed69fa56011348e1bb15..32a3c843e9fe88fbf3eb0f7e3758de49fea78357 100644
--- a/chrome/browser/resources/file_manager/foreground/js/file_manager_commands.js
+++ b/chrome/browser/resources/file_manager/foreground/js/file_manager_commands.js
@@ -533,10 +533,12 @@ CommandHandler.COMMANDS_['rename'] = {
     fileManager.initiateRename();
   },
   canExecute: function(event, fileManager) {
+    var allowRenamingWhileOffline =
+        fileManager.directoryModel.getCurrentRootType() === RootType.DRIVE;
     var selection = fileManager.getSelection();
     event.canExecute =
         !fileManager.isRenamingInProgress() &&
-        !fileManager.isOnReadonlyDirectory() &&
+        (!fileManager.isOnReadonlyDirectory() || allowRenamingWhileOffline) &&
         selection &&
         selection.totalCount == 1;
   }