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diff --git a/src/core/renderer/pepper/pepper_flash_clipboard_message_filter_qt.h b/src/core/renderer/pepper/pepper_flash_clipboard_message_filter_qt.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://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.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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+// based on chrome/browser/renderer_host/pepper/pepper_flash_clipboard_message_filter.h
+// 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.
+
+#ifndef PEPPER_FLASH_CLIPBOARD_MESSAGE_FILTER_QT_H
+#define PEPPER_FLASH_CLIPBOARD_MESSAGE_FILTER_QT_H
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "ppapi/host/resource_message_filter.h"
+#include "ppapi/shared_impl/flash_clipboard_format_registry.h"
+
+namespace ppapi {
+namespace host {
+struct HostMessageContext;
+}
+}
+
+namespace ui {
+class ScopedClipboardWriter;
+}
+
+namespace QtWebEngineCore {
+
+// Resource message filter for accessing the clipboard in Pepper. Pepper
+// supports reading/writing custom formats from the clipboard. Currently, all
+// custom formats that are read/written from the clipboard through pepper are
+// stored in a single real clipboard format (in the same way the "web custom"
+// clipboard formats are). This is done so that we don't have to have use real
+// clipboard types for each custom clipboard format which may be a limited
+// resource on a particular platform.
+class PepperFlashClipboardMessageFilter : public ppapi::host::ResourceMessageFilter {
+public:
+    PepperFlashClipboardMessageFilter();
+
+protected:
+    // ppapi::host::ResourceMessageFilter overrides.
+    scoped_refptr<base::TaskRunner> OverrideTaskRunnerForMessage(const IPC::Message& msg) override;
+    int32_t OnResourceMessageReceived(const IPC::Message& msg, ppapi::host::HostMessageContext* context) override;
+
+private:
+    ~PepperFlashClipboardMessageFilter() override;
+
+    int32_t OnMsgRegisterCustomFormat(ppapi::host::HostMessageContext* host_context, const std::string& format_name);
+    int32_t OnMsgIsFormatAvailable(ppapi::host::HostMessageContext* host_context,
+                                   uint32_t clipboard_type,
+                                   uint32_t format);
+    int32_t OnMsgReadData(ppapi::host::HostMessageContext* host_context,
+                          uint32_t clipoard_type,
+                          uint32_t format);
+    int32_t OnMsgWriteData(ppapi::host::HostMessageContext* host_context,
+                           uint32_t clipboard_type,
+                           const std::vector<uint32_t>& formats,
+                           const std::vector<std::string>& data);
+    int32_t OnMsgGetSequenceNumber(ppapi::host::HostMessageContext* host_context,
+                                   uint32_t clipboard_type);
+
+    int32_t WriteClipboardDataItem(uint32_t format,
+                                   const std::string& data,
+                                   ui::ScopedClipboardWriter* scw);
+
+    ppapi::FlashClipboardFormatRegistry m_custom_formats;
+
+    DISALLOW_COPY_AND_ASSIGN(PepperFlashClipboardMessageFilter);
+};
+
+}  // namespace QtWebEngineCore
+
+#endif  // PEPPER_FLASH_CLIPBOARD_MESSAGE_FILTER_QT_H