Revert 186643 - Caused a 10% regression on SunSpider benchmark

chrome/renderer/extensions/tts_custom_bindings.cc

 // 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.
 
 #include "chrome/renderer/extensions/tts_custom_bindings.h"
 
 #include <string>
 
 #include "grit/renderer_resources.h"
 #include "v8/include/v8.h"
 
 namespace extensions {
 
-TTSCustomBindings::TTSCustomBindings(
-    Dispatcher* dispatcher, v8::Handle<v8::Context> v8_context)
-    : ChromeV8Extension(dispatcher, v8_context) {
+TTSCustomBindings::TTSCustomBindings()
+    : ChromeV8Extension(NULL) {
   RouteStaticFunction("GetNextTTSEventId", &GetNextTTSEventId);
 }
 
 // static
 v8::Handle<v8::Value> TTSCustomBindings::GetNextTTSEventId(
     const v8::Arguments& args) {
   // Note: this works because the TTS API only works in the
   // extension process, not content scripts.
   static int next_tts_event_id = 1;
   return v8::Integer::New(next_tts_event_id++);
 }
 
 }  // extensions