manifest.json

{
  "manifest_version": 2,
  "name": "Play/Pause",
  "version": "2.0.3",
  "applications": {
    "gecko": {
      "id": "play-pause-plus"
    }
  },
  "icons": {
    "48": "icon.png"
  },
  "author": "Daniel Kamkha",
  "description": "Play/pause video and audio with the \"mute\" button.",
  "homepage_url": "https://github.com/davi-ro/PlayPause",
  "background": {
    "scripts": ["background.js"]
  },
  "content_scripts": [
    {
      "matches": ["<all_urls>"],
      "exclude_matches": ["*://*.allmusic.com/*", "*://*.facebook.com/*", "*://*.inoreader.com/*"],
      "js": [
        "data/play-pause-base.js",
        "data/buttonless-html5-player.js",
        "data/multibutton-html5-player.js",
        "data/single-button-generic-player.js",
        "data/two-button-generic-player.js",
        "data/direct-access-flash-player.js",
        "data/play-pause-detect.js",
        "data/content-script.js"]
    }
  ],
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_icon": {
      "48": "icon.png"
    }
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+Shift+P"
      },
      "description": "Toggle Play/Pause"
    }
  }
}