Show all experiments, even those that are unavailable on the current platform

chrome/browser/resources/flags.js

 // Copyright (c) 2011 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.
  */
 var flagsExperimentsDataFormat = {
   'flagsExperiments': [
     {
       'internal_name': 'Experiment ID string',
       'name': 'Experiment Name',
       'description': 'description',
       // enabled is only set if the experiment is single valued.
       'enabled': true,
       // choices is only set if the experiment has multiple values.
       'choices': [
         {
           'internal_name': 'Experiment ID string',
           'description': 'description',
           'selected': true
         }
-      ]
+      ],
+      'supported': true,
+      'supported_platforms' : [
+        'Mac',
+        'Linux'
+      ],
     }
   ],
   'needsRestart': false
 };
 
 /**
  * Takes the |flagsExperimentsData| input argument which represents data about
  * the currently available experiments and populates the html jstemplate
  * with that data. It expects an object structure like the above.
  * @param {Object} flagsExperimentsData Information about available experiments
@@ skipping 78 matching lines @@
 function handleSelectChoiceExperiment(node, index) {
   // Tell the C++ FlagsDOMHandler to enable the selected choice.
   chrome.send('enableFlagsExperiment',
               [String(node.internal_name) + "@" + index, "true"]);
   requestFlagsExperimentsData();
 }
 
 // Get data and have it displayed upon loading.
 document.addEventListener('DOMContentLoaded', requestFlagsExperimentsData);