Paodin: word translation / collection / back word

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "short_name": "__MSG_extShortName__",
  "version": "3.0.2",
  "description": "__MSG_extDesc__",
  "background": {
    "page": "background.html"
  },
  "default_locale": "zh_CN",
  "browser_action": {
    "default_icon": "img/icon.png",
    "default_title": "Paodin",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "content.css"
      ],
      "all_frames": true,
      "js": [
        "manifest.js",
        "common.js",
        "vendor.js",
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "img/icon.png",
    "48": "img/icon.png",
    "128": "img/icon.png"
  },
  "web_accessible_resources": [
    "img/*",
    "translate.html"
  ],
  "omnibox": {
    "keyword": "wd"
  },
  "options_page": "options.html",
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "permissions": [
    "tabs",
    "cookies",
    "contextMenus",
    "storage",
    "tts",
    "<all_urls>"
  ],
  "commands": {
    "lookup_in_selection": {
      "suggested_key": {
        "windows": "Ctrl+Shift+L",
        "mac": "Command+Shift+L",
        "chromeos": "Ctrl+Shift+L",
        "linux": "Ctrl+Shift+L"
      },
      "description": "__extCmdDesc__",
      "global": true
    }
  }
}