Use layers and boxes from lib_ui.

Telegram/SourceFiles/core/application.h

@@ -16,7 +16,6 @@ class MainWindow;
 class MainWidget;
 class FileUploader;
 class Translator;
-class BoxContent;
 
 namespace Storage {
 class Databases;
@@ -43,6 +42,7 @@ namespace Ui {
 namespace Animations {
 class Manager;
 } // namespace Animations
+class BoxContent;
 } // namespace Ui
 
 namespace MTP {
@@ -273,7 +273,7 @@ private:
 	const std::unique_ptr<ChatHelpers::EmojiKeywords> _emojiKeywords;
 	std::unique_ptr<Lang::Translator> _translator;
 	base::Observable<void> _passcodedChanged;
-	QPointer<BoxContent> _badProxyDisableBox;
+	QPointer<Ui::BoxContent> _badProxyDisableBox;
 
 	const std::unique_ptr<Media::Audio::Instance> _audio;
 	const QImage _logo;

Telegram/SourceFiles/core/click_handler_types.cpp

@@ -58,7 +58,7 @@ void HiddenUrlClickHandler::Open(QString url, QVariant context) {
 					tr::lng_open_this_link(tr::now) + qsl("\n\n") + displayUrl,
 					tr::lng_open_link(tr::now),
 					[=] { Ui::hideLayer(); open(); }),
-				LayerOption::KeepOther);
+				Ui::LayerOption::KeepOther);
 		} else {
 			open();
 		}

Telegram/SourceFiles/core/local_url_handlers.cpp

@@ -341,7 +341,7 @@ bool HandleUnknown(
 			Api::EntitiesFromMTP(result.ventities().value_or_empty())
 		};
 		if (result.is_update_app()) {
-			const auto box = std::make_shared<QPointer<BoxContent>>();
+			const auto box = std::make_shared<QPointer<Ui::BoxContent>>();
 			const auto callback = [=] {
 				Core::UpdateApplication();
 				if (*box) (*box)->closeBox();

Telegram/SourceFiles/core/update_checker.cpp

@@ -20,6 +20,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/settings/info_settings_widget.h"
 #include "window/window_session_controller.h"
 #include "settings/settings_intro.h"
+#include "ui/layers/box_content.h"
 #include "app.h"
 
 #include <QtCore/QJsonDocument>