| Index: chrome/browser/chromeos/extensions/file_manager/file_handler_util.h | 
| diff --git a/chrome/browser/chromeos/extensions/file_manager/file_handler_util.h b/chrome/browser/chromeos/extensions/file_manager/file_handler_util.h | 
| index beb0a3f9bdc3bfabfe9fdf063f9b79f0d5710d0e..db2267bd0abeabc229ad19cf129f9575181f8450 100644 | 
| --- a/chrome/browser/chromeos/extensions/file_manager/file_handler_util.h | 
| +++ b/chrome/browser/chromeos/extensions/file_manager/file_handler_util.h | 
| @@ -39,6 +39,10 @@ extern const char kTaskApp[]; | 
|  | 
| void UpdateFileHandlerUsageStats(Profile* profile, const std::string& task_id); | 
|  | 
| +// Returns true if the task should be used as a fallback. Such tasks are | 
| +// Files.app's internal handlers as well as quick office extensions. | 
| +bool IsFallbackTask(const FileBrowserHandler* task); | 
| + | 
| // Update the default file handler for the given sets of suffixes and MIME | 
| // types. | 
| void UpdateDefaultTask(Profile* profile, | 
|  |