Standardize usage of virtual/override/final specifiers.

remoting/host/disconnect_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 <gtk/gtk.h>
 #include <math.h>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "remoting/base/string_resources.h"
 #include "remoting/host/client_session_control.h"
 #include "remoting/host/host_window.h"
 #include "ui/base/glib/glib_signal.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace remoting {
 
 namespace {
 
 class DisconnectWindowGtk : public HostWindow {
  public:
   DisconnectWindowGtk();
-  virtual ~DisconnectWindowGtk();
+  ~DisconnectWindowGtk() override;
 
   // HostWindow overrides.
-  virtual void Start(
-      const base::WeakPtr<ClientSessionControl>& client_session_control)
+  void Start(const base::WeakPtr<ClientSessionControl>& client_session_control)
       override;
 
  private:
   CHROMEG_CALLBACK_1(DisconnectWindowGtk, gboolean, OnDelete,
                      GtkWidget*, GdkEvent*);
   CHROMEG_CALLBACK_0(DisconnectWindowGtk, void, OnClicked, GtkButton*);
   CHROMEG_CALLBACK_1(DisconnectWindowGtk, gboolean, OnConfigure,
                      GtkWidget*, GdkEventConfigure*);
   CHROMEG_CALLBACK_1(DisconnectWindowGtk, gboolean, OnButtonPress,
                      GtkWidget*, GdkEventButton*);
@@ skipping 246 matching lines @@
 }
 
 }  // namespace
 
 // static
 scoped_ptr<HostWindow> HostWindow::CreateDisconnectWindow() {
   return make_scoped_ptr(new DisconnectWindowGtk());
 }
 
 }  // namespace remoting