Examine source code of S-mall Search

{
  "name": "S-mall Search",
  "description": "__MSG_extensionDescription__",
  "manifest_version": 2,
  "version": "1.5.2resigned1",
  "icons": {
    "32": "icons/icon_32.png"
  },
  "permissions": [
    "notifications",
    "activeTab",
    "storage",
    "contextMenus",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background/default_pageinfos.js",
      "background/exclude_search_background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/icon_32.png",
    "default_title": "__MSG_extensionName__",
    "default_popup": "popup/popup.html"
  },
  "web_accessible_resources": [
    "toolbar/toolbar.html"
  ],
  "applications": {
    "gecko": {
      "id": "{3e238ef3-7b5b-4315-83a1-e8dd7fb3811b}",
      "strict_min_version": "46.0"
    }
  },
  "default_locale": "ja"
}