Renamed / moved a bunch of files.

Next commit fixes the build.

Telegram/SourceFiles/platform/platform_specific.h

@@ -0,0 +1,45 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop version of Telegram messaging app, see https://telegram.org
+
+Telegram Desktop is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+It is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+In addition, as a special exception, the copyright holders give permission
+to link the code of portions of this program with the OpenSSL library.
+
+Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
+*/
+#pragma once
+
+#ifdef Q_OS_MAC
+#include "pspecific_mac.h"
+#elif defined Q_OS_LINUX // Q_OS_MAC
+#include "pspecific_linux.h"
+#elif defined Q_OS_WIN // Q_OS_MAC || Q_OS_LINUX
+#include "pspecific_win.h"
+#endif // Q_OS_MAC || Q_OS_LINUX || Q_OS_WIN
+
+namespace Platform {
+
+void start();
+void finish();
+
+void SetWatchingMediaKeys(bool watching);
+bool TransparentWindowsSupported(QPoint globalPosition);
+
+namespace ThirdParty {
+
+void start();
+void finish();
+
+} // namespace ThirdParty
+} // namespace Platform