Gtk3: Silence deprecation warnings in //remoting

remoting/host/continue_window_linux.cc

 // 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.
 
 #include "remoting/host/continue_window.h"
 
 #include <gtk/gtk.h>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 84 matching lines @@
   g_signal_connect(continue_window_, "response",
                    G_CALLBACK(OnResponseThunk), this);
 
   GtkWidget* content_area =
       gtk_dialog_get_content_area(GTK_DIALOG(continue_window_));
 
   GtkWidget* text_label =
       gtk_label_new(l10n_util::GetStringUTF8(IDS_CONTINUE_PROMPT).c_str());
   gtk_label_set_line_wrap(GTK_LABEL(text_label), TRUE);
   // TODO(lambroslambrou): Fix magic numbers, as in disconnect_window_gtk.cc.
+  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
   gtk_misc_set_padding(GTK_MISC(text_label), 12, 12);
+  G_GNUC_END_IGNORE_DEPRECATIONS;
   gtk_container_add(GTK_CONTAINER(content_area), text_label);
 
   gtk_widget_show_all(content_area);
 }
 
 void ContinueWindowGtk::OnResponse(GtkDialog* dialog, int response_id) {
   DCHECK(CalledOnValidThread());
 
   if (response_id == GTK_RESPONSE_OK) {
     ContinueSession();
   } else {
     DisconnectSession();
   }
 
   HideUi();
 }
 
 // static
 std::unique_ptr<HostWindow> HostWindow::CreateContinueWindow() {
   return base::MakeUnique<ContinueWindowGtk>();
 }
 
 }  // namespace remoting