Also added the option to pass a content string when the window is created, as you need to wait a frame before the browser is passed back for it to be valid.
[CL 2412858 by Matthew Griffin in Main branch]
Changed Web Browser Window Set Size function to take an int point as there's no need for float version
Calculated integer size of viewport by adding position and size before converting to int, which avoids problems with rounding.
[CL 2397445 by Matthew Griffin in Main branch]
Also removed guards around browser code in SWebBrowser and made sure that path for sub process exe is correct if game exe is not in the same folder.
[CL 2389777 by Matthew Griffin in Main branch]
