Extract ExtensionRequestSender from SchemaGeneratedBindings.

chrome/renderer/extensions/extension_helper.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/extension_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
@@ skipping 169 matching lines @@
     return;
 
   g_schedulers.Get()[frame] = new UserScriptIdleScheduler(
       frame, extension_dispatcher_);
 }
 
 void ExtensionHelper::OnExtensionResponse(int request_id,
                                           bool success,
                                           const std::string& response,
                                           const std::string& error) {
-  std::string extension_id;
-  SchemaGeneratedBindings::HandleResponse(
-      extension_dispatcher_->v8_context_set(), request_id, success,
-      response, error, &extension_id);
+  extension_dispatcher_->OnExtensionResponse(request_id,
+                                             success,
+                                             response,
+                                             error);
 }
 
 void ExtensionHelper::OnExtensionMessageInvoke(const std::string& extension_id,
                                                const std::string& function_name,
                                                const ListValue& args,
                                                const GURL& event_url,
                                                bool user_gesture) {
   scoped_ptr<WebScopedUserGesture> web_user_gesture;
   if (user_gesture) {
     web_user_gesture.reset(new WebScopedUserGesture);
@@ skipping 152 matching lines @@
       routing_id(), *pending_app_info_));
   pending_app_info_.reset(NULL);
 }
 
 void ExtensionHelper::AddErrorToRootConsole(const string16& message) {
   if (render_view()->GetWebView() && render_view()->GetWebView()->mainFrame()) {
     render_view()->GetWebView()->mainFrame()->addMessageToConsole(
         WebConsoleMessage(WebConsoleMessage::LevelError, message));
   }
 }