Standardize usage of virtual/override/final in components/

components/policy/core/common/policy_service_impl_unittest.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 "components/policy/core/common/policy_service_impl.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 57 matching lines @@
 }
 
 // Observer class that changes the policy in the passed provider when the
 // callback is invoked.
 class ChangePolicyObserver : public PolicyService::Observer {
  public:
   explicit ChangePolicyObserver(MockConfigurationPolicyProvider* provider)
       : provider_(provider),
         observer_invoked_(false) {}
 
-  virtual void OnPolicyUpdated(const PolicyNamespace&,
-                               const PolicyMap& previous,
-                               const PolicyMap& current) override {
+  void OnPolicyUpdated(const PolicyNamespace&,
+                       const PolicyMap& previous,
+                       const PolicyMap& current) override {
     PolicyMap new_policy;
     new_policy.Set("foo",
                    POLICY_LEVEL_MANDATORY,
                    POLICY_SCOPE_USER,
                    new base::FundamentalValue(14),
                    NULL);
     provider_->UpdateChromePolicy(new_policy);
     observer_invoked_ = true;
   }
 
@@ skipping 642 matching lines @@
                          NULL);
 
   provider0_.UpdatePolicy(policy_bundle.Pass());
   RunUntilIdle();
 
   EXPECT_TRUE(VerifyPolicies(chrome_namespace, expected_chrome));
   EXPECT_TRUE(VerifyPolicies(extension_namespace, expected_extension));
 }
 
 }  // namespace policy