Update {virtual,override,final} to follow C++11 style in components, round 2.

components/policy/core/common/proxy_policy_provider_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 "base/basictypes.h"
 #include "base/callback.h"
 #include "components/policy/core/common/external_data_fetcher.h"
 #include "components/policy/core/common/mock_configuration_policy_provider.h"
 #include "components/policy/core/common/proxy_policy_provider.h"
 #include "components/policy/core/common/schema_registry.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::Mock;
 
 namespace policy {
 
 class ProxyPolicyProviderTest : public testing::Test {
  protected:
   ProxyPolicyProviderTest() {
     mock_provider_.Init();
     proxy_provider_.Init(&schema_registry_);
     proxy_provider_.AddObserver(&observer_);
   }
 
-  virtual ~ProxyPolicyProviderTest() {
+  ~ProxyPolicyProviderTest() override {
     proxy_provider_.RemoveObserver(&observer_);
     proxy_provider_.Shutdown();
     mock_provider_.Shutdown();
   }
 
   SchemaRegistry schema_registry_;
   MockConfigurationPolicyObserver observer_;
   MockConfigurationPolicyProvider mock_provider_;
   ProxyPolicyProvider proxy_provider_;
 
@@ skipping 57 matching lines @@
   proxy_provider_.RefreshPolicies();
   Mock::VerifyAndClearExpectations(&observer_);
   Mock::VerifyAndClearExpectations(&mock_provider_);
 
   EXPECT_CALL(observer_, OnUpdatePolicy(&proxy_provider_));
   mock_provider_.UpdatePolicy(scoped_ptr<PolicyBundle>(new PolicyBundle()));
   Mock::VerifyAndClearExpectations(&observer_);
 }
 
 }  // namespace policy