Standardize usage of virtual/override/final in chrome/browser/policy/

chrome/browser/policy/network_prediction_policy_handler.h

Index: chrome/browser/policy/network_prediction_policy_handler.h
diff --git a/chrome/browser/policy/network_prediction_policy_handler.h b/chrome/browser/policy/network_prediction_policy_handler.h
index a485fabb15b172693c528cfaae93c537146e4aae..9a8d3e4f341f526098365218ca0862dff219ea2e 100644
--- a/chrome/browser/policy/network_prediction_policy_handler.h
+++ b/chrome/browser/policy/network_prediction_policy_handler.h
@@ -18,13 +18,13 @@ class PolicyMap;
 class NetworkPredictionPolicyHandler : public ConfigurationPolicyHandler {
  public:
   NetworkPredictionPolicyHandler();
-  virtual ~NetworkPredictionPolicyHandler();
+  ~NetworkPredictionPolicyHandler() override;
 
   // ConfigurationPolicyHandler methods:
-  virtual bool CheckPolicySettings(const PolicyMap& policies,
-                                   PolicyErrorMap* errors) override;
-  virtual void ApplyPolicySettings(const PolicyMap& policies,
-                                   PrefValueMap* prefs) override;
+  bool CheckPolicySettings(const PolicyMap& policies,
+                           PolicyErrorMap* errors) override;
+  void ApplyPolicySettings(const PolicyMap& policies,
+                           PrefValueMap* prefs) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetworkPredictionPolicyHandler);