replace OVERRIDE and FINAL with override and final in chrome/browser/chromeos/

chrome/browser/chromeos/preferences_browsertest.cc

Index: chrome/browser/chromeos/preferences_browsertest.cc
diff --git a/chrome/browser/chromeos/preferences_browsertest.cc b/chrome/browser/chromeos/preferences_browsertest.cc
index 24dd08dafed6ebf41ea6c64edb7c2e021885274a..bf12c338971b1d8a3d46af2a02ff60645e86712e 100644
--- a/chrome/browser/chromeos/preferences_browsertest.cc
+++ b/chrome/browser/chromeos/preferences_browsertest.cc
@@ -43,12 +43,12 @@ class PreferencesTest : public LoginManagerTest {
         input_settings_(NULL),
         keyboard_(NULL) {}
 
-  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+  virtual void SetUpCommandLine(CommandLine* command_line) override {
     LoginManagerTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kStubCrosSettings);
   }
 
-  virtual void SetUpOnMainThread() OVERRIDE {
+  virtual void SetUpOnMainThread() override {
     LoginManagerTest::SetUpOnMainThread();
     input_settings_ = new system::FakeInputDeviceSettings();
     system::InputDeviceSettings::SetSettingsForTesting(input_settings_);