Postpone loading about:flags ui until the certificates have been loaded

chrome/browser/resources/flags.js

 // Copyright (c) 2012 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.
 
 /**
  * This variable structure is here to document the structure that the template
  * expects to correctly populate the page.
  */
 
 /**
@@ skipping 113 matching lines @@
  *           'Mac',
  *           'Linux'
  *         ],
  *       }
  *     ],
  *     unsupportedExperiments: [
  *       // Mirrors the format of |supportedExperiments| above.
  *     ],
  *     needsRestart: false,
  *     showBetaChannelPromotion: false,
- *     showDevChannelPromotion: false
+ *     showDevChannelPromotion: false,
+ *     showOwnerWarning: false
  *   }
  */
 function returnFlagsExperiments(experimentsData) {
   var bodyContainer = $('body-container');
   renderTemplate(experimentsData);
 
   if (experimentsData.showBetaChannelPromotion)
     $('channel-promo-beta').hidden = false;
   else if (experimentsData.showDevChannelPromotion)
     $('channel-promo-dev').hidden = false;
 
   bodyContainer.style.visibility = 'visible';
+  var ownerWarningDiv = $('owner-warning');
+  if (ownerWarningDiv)
+    ownerWarningDiv.hidden = !experimentsData.showOwnerWarning;
 }
 
 /**
  * Handles a 'enable' or 'disable' button getting clicked.
  * @param {HTMLElement} node The node for the experiment being changed.
  * @param {boolean} enable Whether to enable or disable the experiment.
  */
 function handleEnableExperiment(node, enable) {
   // Tell the C++ FlagsDOMHandler to enable/disable the experiment.
   chrome.send('enableFlagsExperiment', [String(node.internal_name),
@@ skipping 12 matching lines @@
   chrome.send('enableFlagsExperiment',
               [String(node.internal_name) + '@' + index, 'true']);
   requestFlagsExperimentsData();
 }
 
 // Get data and have it displayed upon loading.
 document.addEventListener('DOMContentLoaded', requestFlagsExperimentsData);
 
 // Update the highlighted flag when the hash changes.
 window.addEventListener('hashchange', highlightReferencedFlag);