Index: chrome/browser/chromeos/gdata/gdata_file_system_interface.h |
diff --git a/chrome/browser/chromeos/gdata/gdata_file_system_interface.h b/chrome/browser/chromeos/gdata/gdata_file_system_interface.h |
index 046fde4e71321734969b7c4a2f10ea3cbb4eaa40..5a297a5b9585b79a578ba344f4eed84fd2316aeb 100644 |
--- a/chrome/browser/chromeos/gdata/gdata_file_system_interface.h |
+++ b/chrome/browser/chromeos/gdata/gdata_file_system_interface.h |
@@ -180,6 +180,7 @@ class GDataFileSystemInterface { |
// which is opened via OpenFile(). It commits the dirty flag on the cache. |
// |
// Can be called from UI/IO thread. |callback| is run on the calling thread. |
+ // |callback| must not be null. |
virtual void CloseFile(const FilePath& file_path, |
const FileOperationCallback& callback) = 0; |