Do Responsive

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Do Responsive",
  "description": "This is a simple great untility for developers and site administrators to check their local and remote websites in multiple views.",
  "version": "1.2",
  "icons": {
    "128": "images/app-icon.png"
  },
  "browser_action": {
    "default_icon": "images/shortcut.png",
    "default_title": "Responsive View"
  },
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "js/main.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "tabs",
    "webRequestBlocking",
    "activeTab"
  ]
}