Examine source code of Dokkio Sidebar

{
  "manifest_version": 2,
  "version": "4.0.1",
  "name": "Dokkio Sidebar",
  "description": "Integrate your digital life - web pages & apps, content, files, and messages.",
  "permissions": [
    "storage",
    "pageCapture",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "16": "dokkio_cloud_16x16.png",
    "48": "dokkio_cloud_48x48.png",
    "96": "dokkio_cloud_96x96.png"
  },
  "browser_action": {
    "default_icon": {
      "32": "sidebar_browser_logo_off.png"
    },
    "default_title": "Dokkio Extension",
    "default_popup": "popup.html"
  },
  "omnibox": {
    "keyword": "dokkio"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://app.dokkio.com/*"
      ],
      "js": [
        "accessTokenFromDokkioPage.js"
      ]
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "https://*.dokkio.com/*",
        "https://*.dokkio-dev.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "font.css"
      ]
    },
    {
      "matches": [
        "https://www.google.com/*",
        "https://www.bing.com/*",
        "https://search.yahoo.com/*"
      ],
      "js": [
        "search.js"
      ]
    },
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "gmail.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "panel.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{226fdf81-5894-4d03-b68d-46d87b4f1df3}"
    }
  }
}