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diff --git a/src/core/compositor/chromium_gpu_helper.cpp b/src/core/compositor/chromium_gpu_helper.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/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.LGPL3 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-3.0.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 (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// 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.Chromium file.
+
+#include "chromium_gpu_helper.h"
+
+// Some headers include the namespace ws, and can not coexist with
+// Qt headers that include QTextStream, which includes most QSG headers
+// via QMatrix4x4.
+#include "content/browser/renderer_host/render_widget_host_impl.h"
+
+// Including gpu/command_buffer headers before content/gpu headers makes sure that
+// guards are defined to prevent duplicate definition errors with forward declared
+// GL typedefs cascading through content header includes.
+#include "gpu/command_buffer/service/mailbox_manager.h"
+#include "gpu/command_buffer/service/texture_base.h"
+
+#include "content/gpu/gpu_child_thread.h"
+#include "gpu/ipc/service/gpu_channel_manager.h"
+
+#ifdef Q_OS_QNX
+#include "content/common/gpu/stream_texture_qnx.h"
+#endif
+
+scoped_refptr<base::SingleThreadTaskRunner> gpu_task_runner()
+{
+ return content::GpuChildThread::instance()->main_thread_runner();
+}
+
+gpu::MailboxManager *mailbox_manager()
+{
+ gpu::GpuChannelManager *gpuChannelManager = content::GpuChildThread::instance()->gpu_channel_manager();
+ return gpuChannelManager->mailbox_manager();
+}
+
+gpu::TextureBase* ConsumeTexture(gpu::MailboxManager *mailboxManager, unsigned target, const gpu::Mailbox& mailbox)
+{
+ Q_UNUSED(target);
+ return mailboxManager->ConsumeTexture(mailbox);
+}
+
+unsigned int service_id(gpu::TextureBase *tex)
+{
+ return tex->service_id();
+}
+
+void ProgressFlingIfNeeded(content::RenderWidgetHost *host, const base::TimeTicks &current_time)
+{
+ content::RenderWidgetHostImpl::From(host)->ProgressFlingIfNeeded(current_time);
+}
+
+#ifdef Q_OS_QNX
+EGLStreamData eglstream_connect_consumer(gpu::Texture *tex)
+{
+ EGLStreamData egl_stream;
+ content::StreamTexture* image = static_cast<content::StreamTexture *>(tex->GetLevelImage(GL_TEXTURE_EXTERNAL_OES, 0));
+ if (image) {
+ image->ConnectConsumerIfNeeded(&egl_stream.egl_display, &egl_stream.egl_str_handle);
+ }
+ return egl_stream;
+}
+#endif