Examine source code of Snooze Master

{
  "name": "__MSG_extensionName__",
  "author": "Terry",
  "version": "0.2.9",
  "description": "__MSG_extensionDescription__",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "24": "icon_24.png",
    "48": "icon_48.png",
    "96": "icon_96.png",
    "128": "icon_128.png"
  },
  "permissions": [
    "activeTab",
    "alarms",
    "contextMenus",
    "sessions",
    "storage"
  ],
  "optional_permissions": [
    "cookies",
    "notifications",
    "tabs"
  ],
  "background": {
    "scripts": [
      "common.js",
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_icon": {
      "24": "icon_24.png",
      "48": "icon_48.png",
      "96": "icon_96.png"
    },
    "default_title": "__MSG_browserActionTitle__",
    "default_popup": "popup.html",
    "browser_style": false
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+1"
      },
      "description": "__MSG_extensionDescription__"
    }
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "viewer.html#options"
  }
}