WhiteSlash - White background flash fix

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "WhiteSlash - White background flash fix",
  "version": "1.1",
  "manifest_version": 2,
  "content_scripts": [
    {
      "js": [
        "js/inject.js"
      ],
      "matches": [
        "<all_urls>",
        "<all_urls>"
      ],
      "run_at": "document_start"
    }
  ],
  "description": "Fix the white flash in new tabs or when clicking links",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_icon": "icons/icon38.png",
    "permissions": [
      "tabs",
      "activeTab",
      "http://*/*",
      "https://*/*",
      "<all_urls>"
    ],
    "background": {
      "scripts": [
        "background.js"
      ]
    }
  }
}