Standardize usage of virtual/override/final in components/

components/policy/core/common/cloud/cloud_policy_core_unittest.cc

Index: components/policy/core/common/cloud/cloud_policy_core_unittest.cc
diff --git a/components/policy/core/common/cloud/cloud_policy_core_unittest.cc b/components/policy/core/common/cloud/cloud_policy_core_unittest.cc
index db0908398d1a1d28142873b95784e2a03dcde75b..186cce60ff434270b545192464d0f5097d54dbe3 100644
--- a/components/policy/core/common/cloud/cloud_policy_core_unittest.cc
+++ b/components/policy/core/common/cloud/cloud_policy_core_unittest.cc
@@ -39,7 +39,7 @@ class CloudPolicyCoreTest : public testing::Test,
     core_.RemoveObserver(this);
   }
 
-  virtual void OnCoreConnected(CloudPolicyCore* core) override {
+  void OnCoreConnected(CloudPolicyCore* core) override {
     // Make sure core is connected at callback time.
     if (core_.client())
       core_connected_callback_count_++;
@@ -47,7 +47,7 @@ class CloudPolicyCoreTest : public testing::Test,
       bad_callback_count_++;
   }
 
-  virtual void OnRefreshSchedulerStarted(CloudPolicyCore* core) override {
+  void OnRefreshSchedulerStarted(CloudPolicyCore* core) override {
     // Make sure refresh scheduler is started at callback time.
     if (core_.refresh_scheduler())
       refresh_scheduler_started_callback_count_++;
@@ -55,7 +55,7 @@ class CloudPolicyCoreTest : public testing::Test,
       bad_callback_count_++;
   }
 
-  virtual void OnCoreDisconnecting(CloudPolicyCore* core) override {
+  void OnCoreDisconnecting(CloudPolicyCore* core) override {
     // Make sure core is still connected at callback time.
     if (core_.client())
       core_disconnecting_callback_count_++;