Standardize usage of virtual/override/final specifiers.

components/policy/core/common/forwarding_policy_provider_unittest.cc

 // Copyright 2013 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 "components/policy/core/common/forwarding_policy_provider.h"
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
@@ skipping 25 matching lines @@
 }  // namespace
 
 class ForwardingPolicyProviderTest : public testing::Test {
  protected:
   ForwardingPolicyProviderTest() : forwarding_provider_(&mock_provider_) {
     mock_provider_.Init();
     forwarding_provider_.Init(&schema_registry_);
     forwarding_provider_.AddObserver(&observer_);
   }
 
-  virtual ~ForwardingPolicyProviderTest() {
+  ~ForwardingPolicyProviderTest() override {
     forwarding_provider_.RemoveObserver(&observer_);
     forwarding_provider_.Shutdown();
     mock_provider_.Shutdown();
   }
 
   Schema CreateTestSchema() {
     std::string error;
     Schema schema = Schema::Parse(kTestSchema, &error);
     if (!schema.valid())
       ADD_FAILURE() << error;
@@ skipping 184 matching lines @@
 
   EXPECT_CALL(observer_, OnUpdatePolicy(_));
   copy.reset(new PolicyBundle);
   copy->CopyFrom(platform_policy);
   mock_provider_.UpdatePolicy(copy.Pass());
   Mock::VerifyAndClearExpectations(&observer_);
   EXPECT_TRUE(forwarding_provider_.policies().Equals(platform_policy));
 }
 
 }  // namespace policy