Change record status: 
Project: 
Introduced in branch: 
8.x
Description: 

Previously

if ($scheme && file_stream_wrapper_valid_scheme($scheme))

Now

if (file_stream_wrapper_valid_scheme($scheme))

Similiarly

if (!$scheme || !file_stream_wrapper_valid_scheme($scheme)) 

Now

if (!file_stream_wrapper_valid_scheme($scheme))
Impacts: 
Module developers
Updates Done (doc team, etc.)
Online documentation: 
Not done
Theming guide: 
Not done
Module developer documentation: 
Not done
Examples project: 
Not done
Coder Review: 
Not done
Coder Upgrade: 
Not done
Other: 
Other updates done