Standardize usage of virtual/override/final specifiers.

chrome/browser/supervised_user/supervised_user_pref_store_unittest.cc

 // Copyright 2014 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 <set>
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/prefs/testing_pref_store.h"
 #include "base/values.h"
@@ skipping 54 matching lines @@
   EXPECT_FALSE(initialization_completed_);
   EXPECT_TRUE(succeeded);
   EXPECT_TRUE(pref_store_->IsInitializationComplete());
   initialization_completed_ = true;
 }
 
 }  // namespace
 
 class SupervisedUserPrefStoreTest : public ::testing::Test {
  public:
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
 
  protected:
   SupervisedUserSettingsService service_;
   scoped_refptr<TestingPrefStore> pref_store_;
 };
 
 void SupervisedUserPrefStoreTest::SetUp() {
   pref_store_ = new TestingPrefStore();
   service_.Init(pref_store_);
 }
@@ skipping 75 matching lines @@
 
 TEST_F(SupervisedUserPrefStoreTest, CreatePrefStoreAfterInitialization) {
   pref_store_->SetInitializationCompleted();
   service_.SetActive(true);
 
   SupervisedUserPrefStoreFixture fixture(&service_);
   EXPECT_TRUE(fixture.initialization_completed());
   EXPECT_EQ(0u, fixture.changed_prefs()->size());
 }