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diff --git a/src/core/web_channel_ipc_transport_host.cpp b/src/core/web_channel_ipc_transport_host.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "web_channel_ipc_transport_host.h"
+
+#include "base/strings/string16.h"
+
+#include "common/qt_messages.h"
+#include "type_conversion.h"
+
+#include <QJsonDocument>
+#include <QJsonObject>
+
+WebChannelIPCTransportHost::WebChannelIPCTransportHost(content::WebContents *contents, QObject *parent)
+ : QWebChannelAbstractTransport(parent)
+ , content::WebContentsObserver(contents)
+{
+}
+
+WebChannelIPCTransportHost::~WebChannelIPCTransportHost()
+{
+}
+
+void WebChannelIPCTransportHost::sendMessage(const QJsonObject &message)
+{
+ QJsonDocument doc(message);
+ int size = 0;
+ const char *rawData = doc.rawData(&size);
+ Send(new WebChannelIPCTransport_Message(routing_id(), std::vector<char>(rawData, rawData + size)));
+}
+
+void WebChannelIPCTransportHost::onWebChannelMessage(const std::vector<char> &message)
+{
+ QJsonDocument doc = QJsonDocument::fromRawData(message.data(), message.size(), QJsonDocument::BypassValidation);
+ Q_ASSERT(doc.isObject());
+ Q_EMIT messageReceived(doc.object(), this);
+}
+
+bool WebChannelIPCTransportHost::OnMessageReceived(const IPC::Message &message)
+{
+ bool handled = true;
+ IPC_BEGIN_MESSAGE_MAP(WebChannelIPCTransportHost, message)
+ IPC_MESSAGE_HANDLER(WebChannelIPCTransportHost_SendMessage, onWebChannelMessage)
+ IPC_MESSAGE_UNHANDLED(handled = false)
+ IPC_END_MESSAGE_MAP()
+ return handled;
+}