An extension docs experiment.

chrome/common/extensions/docs/js/api_page_generator.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.
 
 /**
  * @fileoverview This file is the controller for generating extension
  * doc pages.
  *
  * It expects to have available via XHR (relative path):
  *   1) API_TEMPLATE which is the main template for the api pages.
@@ skipping 168 matching lines @@
   var schemas_to_retrieve = [];
   if (!USE_DEVTOOLS_SCHEMA || is_experimental_index)
     schemas_to_retrieve = schemas_to_retrieve.concat(MODULE_SCHEMAS);
   if (USE_DEVTOOLS_SCHEMA || is_experimental_index)
     schemas_to_retrieve.push(DEVTOOLS_SCHEMA);
 
   var schemas_retrieved = 0;
   schema = [];
 
   function onSchemaContent(content) {
-    schema = schema.concat(JSON.parse(JSON.minify(content)));
+    if (content)
+      schema = schema.concat(JSON.parse(JSON.minify(content)));
     if (++schemas_retrieved < schemas_to_retrieve.length)
       return;
     if (pageName.toLowerCase() == 'samples') {
       fetchSamples();
     } else {
       renderTemplate();
     }
   }
 
   for (var i = 0; i < schemas_to_retrieve.length; ++i) {
     var schema_path = schemas_to_retrieve[i];
     fetchContent(schema_path, onSchemaContent, function(error) {
-      alert('Failed to load ' + schema_path);
+      onSchemaContent("");
     });
   }
 }
 
 function fetchSamples() {
   // If we're rendering the samples directory, fetch the samples manifest.
   fetchContent(SAMPLES, function(sampleManifest) {
     var data = JSON.parse(JSON.minify(sampleManifest));
     samples = data.samples;
     apiMapping = data.api;
@@ skipping 480 matching lines @@
   }
   if (a.name > b.name) {
     return 1;
   }
   return 0;
 }
 
 function disableDocs(obj) {
   return !!obj.nodoc || !!obj.internal;
 }