Added toolbar

chrome/browser/resources/pdf/background.js

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 chrome.streamsPrivate.onExecuteMimeTypeHandler.addListener(
   function(mime_type, original_url, content_url, tab_id) {
     // TODO(raymes): Currently this doesn't work with embedded PDFs (it
     // causes the entire frame to navigate). Also work out how we can
     // mask the URL with the URL of the PDF.
-    chrome.tabs.update(tab_id, { url: 'pdf.html?' + content_url });
+    chrome.tabs.update(tab_id, { url: 'index.html?' + content_url });
   }
 );