manifest.json

{
  "name": "Youtube Controls",
  "version": "1.0",
  "manifest_version": 2,
  "description": "Quick play/pause button for youtube",
  "background" : {
    "scripts": ["background.js"]
  },
  "browser_action" :
  {
    "default_icon" : "y_inactive.png",
    "default_title" : "Not active"
  },
  "icons": {
    "48": "y_play.png",
    "128": "y_play.png"
  },
  "content_scripts" : [
    {
      "matches" : ["http://www.youtube.com/*", "https://www.youtube.com/*"],
      "js" : ["contentscript.js"],
      "run_at" : "document_end"
    },
    {
      "matches" : ["http://*/*", "https://*/*"],
      "js" : ["commonEvents.js"],
      "run_at" : "document_end"
    }
  ], 
  "permissions": [
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "commands": {
    "toggle-play-pause": {
      "suggested_key": {
        "default": "Alt+P",
        "mac": "Alt+P"
      },
      "description": "Toggle play/pause"
    },
    "playlistNext": {
      "suggested_key": {
        "default": "Alt+L",
        "mac": "Alt+L"
      },
      "description": "Play the next video in the playlist"
    },
    "playlistPrevious": {
      "suggested_key": {
        "default": "Alt+H",
        "mac": "Alt+H"
      },
      "description": "Play the previous video in the playlist"
    },
    "abc": {
      "suggested_key": {
        "default": "Alt+K",
        "mac": "Alt+K"
      },
      "description": "Toggle the extended controls popup"
    }
  },
  "web_accessible_resources": [
    "images/focus_button.png",
	"images/play_button.png",
	"images/pause_button.png",
	"images/prev_button.png",
	"images/next_button.png",
	"images/close_button.png"
  ]
}