Make miscellaneous_bindings and event_bindings Required as needed. Previously

chrome/renderer/resources/extensions/bluetooth_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 binding for the Bluetooth API.
 
 var binding = require('binding').Binding.create('bluetooth');
 
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
 var chrome = requireNative('chrome').GetChrome();
+var Event = require('event_bindings').Event;
+var lastError = require('lastError');
 var sendRequest = require('sendRequest').sendRequest;
-var lastError = require('lastError');
 
 // Use custom binding to create an undocumented event listener that will
 // receive events about device discovery and call the event listener that was
 // provided with the request to begin discovery.
 binding.registerCustomHook(function(api) {
   var apiFunctions = api.apiFunctions;
 
   chromeHidden.bluetooth = {};
 
   function callCallbackIfPresent(name, args, error) {
     var callback = args[args.length - 1];
     if (typeof(callback) == 'function')
       lastError.run(name, error, callback);
   }
 
   chromeHidden.bluetooth.deviceDiscoveredHandler = null;
   chromeHidden.bluetooth.onDeviceDiscovered =
-      new chrome.Event('bluetooth.onDeviceDiscovered');
+      new Event('bluetooth.onDeviceDiscovered');
   function clearDeviceDiscoveredHandler() {
     chromeHidden.bluetooth.onDeviceDiscovered.removeListener(
         chromeHidden.bluetooth.deviceDiscoveredHandler);
     chromeHidden.bluetooth.deviceDiscoveredHandler = null;
   }
   apiFunctions.setHandleRequest('startDiscovery',
       function() {
         var args = arguments;
         if (args.length > 0 && args[0] && args[0].deviceCallback) {
           if (chromeHidden.bluetooth.deviceDiscoveredHandler != null) {
@@ skipping 30 matching lines @@
       function() {
         clearDeviceDiscoveredHandler();
         sendRequest(this.name, arguments, this.definition.parameters);
       });
 
   // An object to hold state during one call to getDevices.
   chromeHidden.bluetooth.getDevicesState = null;
 
   // Hidden events used to deliver getDevices data to the client callbacks
   chromeHidden.bluetooth.onDeviceSearchResult =
-      new chrome.Event('bluetooth.onDeviceSearchResult');
+      new Event('bluetooth.onDeviceSearchResult');
   chromeHidden.bluetooth.onDeviceSearchFinished =
-      new chrome.Event('bluetooth.onDeviceSearchFinished');
+      new Event('bluetooth.onDeviceSearchFinished');
 
   function deviceSearchResultHandler(device) {
     chromeHidden.bluetooth.getDevicesState.actualEvents++;
     chromeHidden.bluetooth.getDevicesState.deviceCallback(device);
     maybeFinishDeviceSearch();
   }
 
   function deviceSearchFinishedHandler(info) {
     chromeHidden.bluetooth.getDevicesState.expectedEventCount =
         info.expectedEventCount;
@@ skipping 62 matching lines @@
         }
 
         chromeHidden.bluetooth.getDevicesState = state;
         addDeviceSearchListeners();
 
         return args;
       });
 });
 
 exports.binding = binding.generate();