Unity 5 in-game browser

I need you to develop some software for me. I would like this software to be developed for Windows using .[login to view URL] 5 In-game browser (Javascript or C#) Required features: Multiple windows (ability to open more than one browser, resize and position in 3D space in the Unity 5 scene by dragging a cursor centered to the player's screen). Copy/paste: Ability to copy content from one window (including URL or text in one window) and paste onto a different window, ability to play video files on YouTube, Facebook and Netflix). Ability to use cookies on certain websites, history (back and forward buttons).