Examine source code of Quick Capture

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.9.1",
  "default_locale": "en",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "audio/shutter.mp3"
  ],
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png"
    },
    "default_title": "__MSG_browserActionTitle__"
  },
  "permissions": [
    "<all_urls>",
    "activeTab",
    "storage"
  ],
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "64": "icons/64.png",
    "96": "icons/96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e2ae7a7e-b6cd-4248-9c6f-5d4c0c2ca223}"
    }
  }
}