FB Smart Typer
FB Smart Typer makes your Facebook Chat even faster.
It provides instant auto-complete suggestions in your Facebook Chat.
Also, one can add words as Custom words so that they are available for use instantly. These words get synced with your browser. So, get access to them through all your devices on-the-go.
Smart Typer not only provides users a simple and intuitive interface for its usage, but also for managing their custom added words. It is light-weight and very fast while suggesting.
The current source manifest is for Opera Extension. The same source works on Chrome. Remove "developer" key and change "update_url" in manifest file for this.