Standardize usage of virtual/override/final specifiers.

components/policy/core/common/cloud/cloud_policy_core_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/cloud/cloud_policy_core.h"
 
 #include "base/basictypes.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/testing_pref_service.h"
@@ skipping 17 matching lines @@
         core_connected_callback_count_(0),
         refresh_scheduler_started_callback_count_(0),
         core_disconnecting_callback_count_(0),
         bad_callback_count_(0) {
     prefs_.registry()->RegisterIntegerPref(
         policy_prefs::kUserPolicyRefreshRate,
         CloudPolicyRefreshScheduler::kDefaultRefreshDelayMs);
     core_.AddObserver(this);
   }
 
-  virtual ~CloudPolicyCoreTest() {
-    core_.RemoveObserver(this);
-  }
+  ~CloudPolicyCoreTest() override { core_.RemoveObserver(this); }
 
   void OnCoreConnected(CloudPolicyCore* core) override {
     // Make sure core is connected at callback time.
     if (core_.client())
       core_connected_callback_count_++;
     else
       bad_callback_count_++;
   }
 
   void OnRefreshSchedulerStarted(CloudPolicyCore* core) override {
@@ skipping 78 matching lines @@
   prefs_.ClearPref(policy_prefs::kUserPolicyRefreshRate);
   EXPECT_EQ(default_refresh_delay, core_.refresh_scheduler()->refresh_delay());
 
   EXPECT_EQ(1, core_connected_callback_count_);
   EXPECT_EQ(1, refresh_scheduler_started_callback_count_);
   EXPECT_EQ(0, core_disconnecting_callback_count_);
   EXPECT_EQ(0, bad_callback_count_);
 }
 
 }  // namespace policy