Pausify

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Pausify",
  "description": "Press Ctrl+Shift+0 to pause/play video/music tabs",
  "version": "1.5",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "tabs"
  ],
  "browser_action": {
    "default_icon": "pausify.png",
    "default_popup": "pausify.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "youtube.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://www.pandora.com/*"
      ],
      "js": [
        "pandora.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://soundcloud.com/*"
      ],
      "js": [
        "soundcloud.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://play.spotify.com/*"
      ],
      "js": [
        "spotify.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://www.rdio.com/*"
      ],
      "js": [
        "rdio.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "commands": {
    "toggle-play-pause": {
      "suggested_key": {
        "default": "Ctrl+Shift+0",
        "mac": "Command+Shift+0"
      },
      "description": "Toggle pause/play",
      "global": true
    }
  }
}