Revert 125801 - Implement a module system for the extension bindings JS.

chrome/renderer/resources/extensions/tabs_custom_bindings.js

Index: chrome/renderer/resources/extensions/tabs_custom_bindings.js
===================================================================
--- chrome/renderer/resources/extensions/tabs_custom_bindings.js	(revision 125813)
+++ chrome/renderer/resources/extensions/tabs_custom_bindings.js	(working copy)
@@ -4,11 +4,13 @@
 
 // Custom bindings for the tabs API.
 
-var tabsNatives = requireNative('tabs');
-var OpenChannelToTab = tabsNatives.OpenChannelToTab;
+(function() {
 
-var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
+native function GetChromeHidden();
+native function OpenChannelToTab();
 
+var chromeHidden = GetChromeHidden();
+
 chromeHidden.registerCustomHook('tabs', function(bindingsAPI, extensionId) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
@@ -42,3 +44,5 @@
     });
   });
 });
+
+})();