Move GTK integration out of process with D-Bus

Telegram/SourceFiles/platform/linux/linux_gtk_integration_dummy.cpp

@@ -10,14 +10,23 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Platform {
 namespace internal {
 
+class GtkIntegration::Private {
+};
+
 GtkIntegration::GtkIntegration() {
 }
 
+GtkIntegration::~GtkIntegration() = default;
+
 GtkIntegration *GtkIntegration::Instance() {
 	return nullptr;
 }
 
-void GtkIntegration::load() {
+void GtkIntegration::load(const QString &allowedBackends) {
+}
+
+int GtkIntegration::exec(const QString &parentDBusName, int ppid) {
+	return 1;
 }
 
 bool GtkIntegration::showOpenWithDialog(const QString &filepath) const {
@@ -28,5 +37,23 @@ QImage GtkIntegration::getImageFromClipboard() const {
 	return {};
 }
 
+QString GtkIntegration::AllowedBackends() {
+	return {};
+}
+
+int GtkIntegration:Exec(
+		Type type,
+		const QString &parentDBusName,
+		int ppid,
+		uint instanceNumber) {
+	return 1;
+}
+
+void GtkIntegration::Start(Type type) {
+}
+
+void GtkIntegration::Autorestart(Type type) {
+}
+
 } // namespace internal
 } // namespace Platform