title: chrome.tabs.create in incognito window opens a tab in normal window
body: <p>This bug has been reported here too(closed as obsolete):</p>
  
  <p><a href="https://code.google.com/p/chromium/issues/detail?id=72948" rel="nofollow">https://code.google.com/p/chromium/issues/detail?id=72948</a></p>
  
  <p>I want to create a new <code>tab</code> in current <code>incognito window</code> . The call to <code>chrome.tabs.create</code> will be made in background page. How can I achieve this? Is there any workaround?</p>