Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/settings.

chrome/browser/chromeos/settings/stub_cros_settings_provider_unittest.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 "chrome/browser/chromeos/settings/stub_cros_settings_provider.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 13 matching lines @@
 }  // namespace
 
 class StubCrosSettingsProviderTest : public testing::Test {
  protected:
   StubCrosSettingsProviderTest()
       : provider_(new StubCrosSettingsProvider(
           base::Bind(&StubCrosSettingsProviderTest::FireObservers,
                      base::Unretained(this)))) {
   }
 
-  virtual ~StubCrosSettingsProviderTest() {
-  }
+  ~StubCrosSettingsProviderTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     // Reset the observer notification count.
     observer_count_.clear();
   }
 
   void AssertPref(const std::string& prefName, const base::Value* value) {
     const base::Value* pref = provider_->Get(prefName);
     ASSERT_TRUE(pref);
     ASSERT_TRUE(pref->Equals(value));
   }
 
@@ skipping 42 matching lines @@
 }
 
 TEST_F(StubCrosSettingsProviderTest, PrepareTrustedValues) {
   // Should return immediately without invoking the callback.
   CrosSettingsProvider::TrustedStatus trusted =
       provider_->PrepareTrustedValues(base::Bind(&Fail));
   EXPECT_EQ(CrosSettingsProvider::TRUSTED, trusted);
 }
 
 }  // namespace chromeos