Revert 184837

chrome/renderer/resources/extensions/tts_engine_custom_bindings.js

Index: chrome/renderer/resources/extensions/tts_engine_custom_bindings.js
===================================================================
--- chrome/renderer/resources/extensions/tts_engine_custom_bindings.js	(revision 184858)
+++ chrome/renderer/resources/extensions/tts_engine_custom_bindings.js	(working copy)
@@ -2,10 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Custom binding for the ttsEngine API.
+// Custom bindings for the ttsEngine API.
 
-var binding = require('binding').Binding.create('ttsEngine');
-
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
 
 chromeHidden.Event.registerArgumentMassager('ttsEngine.onSpeak',
@@ -18,5 +16,3 @@
   };
   dispatch([text, options, sendTtsEvent]);
 });
-
-exports.binding = binding.generate();