This object used in: RenderHandler.OnPaint().
Table of contents:
Get int pointer to the void* buffer.
Description from upstream CEF:
|buffer| will be |width|*|height|*4 bytes in size and represents a BGRA image with an upper-left origin.
Converts the void* buffer to bytes.
origin may be one of: "top-left", "bottom-left".
mode may be one of: "bgra", "rgba".