title: 'socket' is not allowed for specified package type (theme, app, etc.)
body: <p>Chrome API for sockets is not working now for me.</p>
  
  <p>I've got following manifest:</p>
  
  <pre><code>{
   "name": "My name",
   "version": "0.1",
   "manifest_version": 2,
   "background": {
    "page": "background.html"
    },
   "browser_action": {
    "default_icon": "ico16.png",
    "default_title": "My extension",
    "default_popup": "popup.html"
    },
    "description": "bla bla bla",
    "minimum_chrome_version": "23",
   "icons": {
      "ico128": "ico128.png",
      "ico16": "ico16.png",
      "icon_logo": "icon_logo.png"
    },
   "options_page": "options.html",
   "permissions": ["experimental",
                   {"socket": [
                       "udp-send-to"
                     ]},
                    "notifications",
                    "background"]
  
  }
  </code></pre>
  
  <p>but following warning it's been displayed when loading the extension:</p>
  
  <p><em><strong>'socket' is not allowed for specified package type (theme, app, etc.).</em></strong></p>
  
  <p>I've tested with Version <strong>23.0.1246.0 canary and 23.0.1246.0 dev-m</strong></p>