# 保护用户隐私

{
    "name": "Very Secure Extension",
    "version": "1.0",
    "description": "Example of a Secure Extension",
    "permissions": ["activeTab"],
    "manifest_version": 2
  }

 {
    "name": "Very Secure Extension",
    …
    "optional_permissions": [ "tabs", "https://www.google.com/" ],
    …
  }

document.querySelector('#button').addEventListener('click', function(event) {
    // Permissions must be requested from inside a user gesture, like a button's
    // click handler.
    chrome.permissions.request({
      permissions: ['tabs'],
      origins: ['https://www.google.com/']
    }, function(granted) {
      // The callback argument will be true if the user granted the permissions.
      if (granted) {
        // doSomething();
      } else {
        // doSomethingElse();
      }
    });
  });