|  | // 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/chrome_v8_extension_handler.h" | 
|  |  | 
|  | #include "base/logging.h" | 
|  | #include "content/public/renderer/render_thread.h" | 
|  |  | 
|  | using content::RenderThread; | 
|  |  | 
|  | namespace extensions { | 
|  |  | 
|  | ChromeV8ExtensionHandler::ChromeV8ExtensionHandler() | 
|  | : routing_id_(MSG_ROUTING_NONE) { | 
|  | } | 
|  |  | 
|  | ChromeV8ExtensionHandler::~ChromeV8ExtensionHandler() { | 
|  | if (routing_id_ != MSG_ROUTING_NONE) | 
|  | RenderThread::Get()->RemoveRoute(routing_id_); | 
|  | } | 
|  |  | 
|  | int ChromeV8ExtensionHandler::GetRoutingID() { | 
|  | if (routing_id_ == MSG_ROUTING_NONE) { | 
|  | routing_id_ = RenderThread::Get()->GenerateRoutingID(); | 
|  | RenderThread::Get()->AddRoute(routing_id_, this); | 
|  | } | 
|  |  | 
|  | return routing_id_; | 
|  | } | 
|  |  | 
|  | void ChromeV8ExtensionHandler::Send(IPC::Message* message) { | 
|  | RenderThread::Get()->Send(message); | 
|  | } | 
|  |  | 
|  | }  // namespace extensions |