Examine source code of chrome 2016

{
  "name": "chrome 2016",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Empty.png"
    },
    "colors": {
      "frame": "rgba(219, 219, 219, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(247, 247, 247, 1)",
      "bookmark_text": "rgba(5, 5, 5, 1)",
      "toolbar_field": "rgba(237, 237, 237, 1)",
      "toolbar_field_text": "rgba(31, 31, 31, 1)",
      "tab_line": "rgba(255, 255, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5b20d666-7647-433e-8323-60c59c8c9455}"
    }
  }
}