LPS-40873 Use `El` suffix for DOM elements
LPS-40873 JS: object and function params on their own lines
LPS-40873 JS: remove reference to video manager in chat manager
LPS-40873 Use single return points
LPS-40873 JS indentation: spaces -> tabs
LPS-40873 parseInt() -> A.Lang.toInt()
LPS-40873 Native .bind() -> A.bind()