Revert 136296 - Make all extension api types fully qualified.

chrome/renderer/resources/extensions/content_settings_custom_bindings.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.
 
 // Custom bindings for the contentSettings API.
 
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
 var sendRequest = require('sendRequest').sendRequest;
 
-chromeHidden.registerCustomType('contentSettings.ContentSetting', function() {
+chromeHidden.registerCustomType('ContentSetting', function() {
   function extendSchema(schema) {
     var extendedSchema = schema.slice();
     extendedSchema.unshift({'type': 'string'});
     return extendedSchema;
   }
 
   function ContentSetting(contentType, settingSchema) {
     this.get = function(details, callback) {
       var getSchema = this.parameters.get;
       chromeHidden.validate([details, callback], getSchema);
@@ skipping 21 matching lines @@
       chromeHidden.validate([callback], schema);
       return sendRequest(
           'contentSettings.getResourceIdentifiers',
           [contentType, callback],
           extendSchema(schema));
     };
   }
 
   return ContentSetting;
 });