Standardize usage of virtual/override/final in chrome/browser/policy/

chrome/browser/policy/policy_prefs_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 <algorithm>
 #include <cstdlib>
 #include <map>
 #include <sstream>
 #include <string>
 #include <vector>
@@ skipping 472 matching lines @@
   for (Schema::Iterator it = chrome_schema.GetPropertiesIterator();
        !it.IsAtEnd(); it.Advance()) {
     EXPECT_TRUE(ContainsKey(policy_test_cases.map(), it.key()))
         << "Missing policy test case for: " << it.key();
   }
 }
 
 // Base class for tests that change policy.
 class PolicyPrefsTest : public InProcessBrowserTest {
  protected:
-  virtual void SetUpInProcessBrowserTestFixture() override {
+  void SetUpInProcessBrowserTestFixture() override {
     EXPECT_CALL(provider_, IsInitializationComplete(_))
         .WillRepeatedly(Return(true));
     BrowserPolicyConnector::SetPolicyProviderForTesting(&provider_);
   }
 
-  virtual void SetUpOnMainThread() override {
+  void SetUpOnMainThread() override {
     ui_test_utils::WaitForTemplateURLServiceToLoad(
         TemplateURLServiceFactory::GetForProfile(browser()->profile()));
   }
 
-  virtual void TearDownOnMainThread() override {
-    ClearProviderPolicy();
-  }
+  void TearDownOnMainThread() override { ClearProviderPolicy(); }
 
   void ClearProviderPolicy() {
     provider_.UpdateChromePolicy(PolicyMap());
     base::RunLoop().RunUntilIdle();
   }
 
   void SetProviderPolicy(const base::DictionaryValue& policies,
                          PolicyLevel level) {
     PolicyMap policy_map;
     for (base::DictionaryValue::Iterator it(policies);
@@ skipping 227 matching lines @@
       }
     }
   }
 }
 
 INSTANTIATE_TEST_CASE_P(PolicyPrefIndicatorTestInstance,
                         PolicyPrefIndicatorTest,
                         testing::ValuesIn(SplitPoliciesIntoChunks(10)));
 
 }  // namespace policy