Standardize usage of virtual/override/final specifiers.

chrome/browser/first_run/first_run_browsertest.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 <string>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/prefs/pref_service.h"
@@ skipping 65 matching lines @@
 
 // A generic test class to be subclassed by test classes testing specific
 // master_preferences. All subclasses must call SetMasterPreferencesForTest()
 // from their SetUp() method before deferring the remainder of Setup() to this
 // class.
 class FirstRunMasterPrefsBrowserTestBase : public InProcessBrowserTest {
  public:
   FirstRunMasterPrefsBrowserTestBase() {}
 
  protected:
-  virtual void SetUp() override {
+  void SetUp() override {
     // All users of this test class need to call SetMasterPreferencesForTest()
     // before this class' SetUp() is invoked.
     ASSERT_TRUE(text_.get());
 
     ASSERT_TRUE(base::CreateTemporaryFile(&prefs_file_));
     EXPECT_TRUE(base::WriteFile(prefs_file_, text_->c_str(), text_->size()));
     first_run::SetMasterPrefsPathForTesting(prefs_file_);
 
     // This invokes BrowserMain, and does the import, so must be done last.
     InProcessBrowserTest::SetUp();
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     EXPECT_TRUE(base::DeleteFile(prefs_file_, false));
     InProcessBrowserTest::TearDown();
   }
 
   void SetUpCommandLine(CommandLine* command_line) override {
     InProcessBrowserTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kForceFirstRun);
     EXPECT_EQ(first_run::AUTO_IMPORT_NONE, first_run::auto_import_state());
 
     extensions::ComponentLoader::EnableBackgroundExtensionsForTesting();
@@ skipping 179 matching lines @@
     FirstRunMasterPrefsWithTrackedPreferences,
     testing::Values(
         chrome_prefs::internals::kSettingsEnforcementGroupNoEnforcement,
         chrome_prefs::internals::kSettingsEnforcementGroupEnforceAlways,
         chrome_prefs::internals::
             kSettingsEnforcementGroupEnforceAlwaysWithDSE,
         chrome_prefs::internals::
             kSettingsEnforcementGroupEnforceAlwaysWithExtensionsAndDSE));
 
 #endif  // !defined(OS_CHROMEOS)