Google Music Ultimate Shortcuts&Player

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Google Music Ultimate Shortcuts&Player",
  "short_name": "GMusic S&P",
  "description": "Control your Google Music player from any tab with shortcuts or popup player from chrome toolbar!!!",
  "version": "2.1.2",
  "icons": {
    "16": "icon16.png",
    "24": "icon24.png",
    "48": "icon48.png",
    "128": "icon128.png",
    "256": "icon256.png"
  },
  "permissions": [
    "tabs"
  ],
  "options_page": "options.html",
  "browser_action": {
    "default_icon": "icon24.png",
    "default_title": "Google Music Shortcut Player",
    "default_popup": "popup/popup.html"
  },
  "commands": {
    "player|play": {
      "suggested_key": {
        "default": "Ctrl+Shift+A"
      },
      "description": "Play / Pause",
      "global": true
    },
    "player|next": {
      "suggested_key": {
        "default": "Ctrl+Shift+X"
      },
      "description": "Next song",
      "global": true
    },
    "player|prev": {
      "suggested_key": {
        "default": "Ctrl+Shift+Z"
      },
      "description": "Previous song",
      "global": true
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://play.google.com/music/listen*"
      ],
      "js": [
        "player.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "key.js"
      ],
      "all_frames": true
    }
  ],
  "background": {
    "page": "dispatch.html"
  },
  "web_accessible_resources": [
    "icon24.png"
  ]
}