Salesforce Sharing Button

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Salesforce Sharing Button",
  "description": "Sharing button on Lightning Experience to redirect to the share page.",
  "version": "0.2",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "https://*.salesforce.com/",
    "https://*.force.com/"
  ],
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.salesforce.com/*",
        "https://*.force.com/*"
      ],
      "js": [
        "SalesforceSharingLex.js"
      ]
    }
  ],
  "manifest_version": 2
}