Use utils.forEach everywhere rather than Array.prototype.forEach to guard

chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js

Index: chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js
diff --git a/chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js b/chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js
index bcb121931316192e5ba2a794bf6052929670aec2..ae904421e254ba78a16225dcd7126f2c12ee7041 100644
--- a/chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js
+++ b/chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js
@@ -8,32 +8,31 @@ var binding = require('binding').Binding.create('syncFileSystem');
 
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
 var fileSystemNatives = requireNative('file_system_natives');
+var forEach = require('utils').forEach;
 var syncFileSystemNatives = requireNative('sync_file_system');
 
 binding.registerCustomHook(function(bindingsAPI) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
   // Functions which take in an [instanceOf=FileEntry].
-  function bindFileEntryFunction(functionName) {
+  function bindFileEntryFunction(i, functionName) {
     apiFunctions.setUpdateArgumentsPostValidate(
         functionName, function(entry, callback) {
       var fileSystemUrl = entry.toURL();
       return [fileSystemUrl, callback];
     });
   }
-  ['getFileStatus']
-      .forEach(bindFileEntryFunction);
+  forEach(['getFileStatus'], bindFileEntryFunction);
 
   // Functions which take in an [instanceOf=DOMFileSystem].
-  function bindFileSystemFunction(functionName) {
+  function bindFileSystemFunction(i, functionName) {
     apiFunctions.setUpdateArgumentsPostValidate(
         functionName, function(filesystem, callback) {
       var fileSystemUrl = filesystem.root.toURL();
       return [fileSystemUrl, callback];
     });
   }
-  ['deleteFileSystem', 'getUsageAndQuota']
-      .forEach(bindFileSystemFunction);
+  forEach(['deleteFileSystem', 'getUsageAndQuota'], bindFileSystemFunction);
 
   // Functions which return an [instanceOf=DOMFileSystem].
   apiFunctions.setCustomCallback('requestFileSystem',