Core, ProjectExplorer, Valgrind: Settingspage cosmetics

Change-Id: I79198c7d655b13dbd69d26b8e383a8eb57a8f9bc
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/coreplugin/systemsettings.cpp

@@ -260,7 +260,7 @@ void SystemSettingsWidget::showHelpForFileBrowser()
 SystemSettings::SystemSettings()
 {
     setId(Constants::SETTINGS_ID_SYSTEM);
-    setDisplayName(tr("System"));
+    setDisplayName(SystemSettingsWidget::tr("System"));
     setCategory(Constants::SETTINGS_CATEGORY_CORE);
     setWidgetCreator([] { return new SystemSettingsWidget; });
 }

src/plugins/coreplugin/systemsettings.h

@@ -30,10 +30,8 @@
 namespace Core {
 namespace Internal {
 
-class SystemSettings : public IOptionsPage
+class SystemSettings final : public IOptionsPage
 {
-    Q_OBJECT
-
 public:
     SystemSettings();
 };

src/plugins/projectexplorer/devicesupport/sshsettingspage.h

@@ -30,7 +30,7 @@
 namespace ProjectExplorer {
 namespace Internal {
 
-class SshSettingsPage : public Core::IOptionsPage
+class SshSettingsPage final : public Core::IOptionsPage
 {
 public:
     SshSettingsPage();

src/plugins/valgrind/valgrindconfigwidget.h

@@ -31,7 +31,7 @@
 namespace Valgrind {
 namespace Internal {
 
-class ValgrindOptionsPage : public Core::IOptionsPage
+class ValgrindOptionsPage final : public Core::IOptionsPage
 {
 public:
     ValgrindOptionsPage();