replace OVERRIDE and FINAL with override and final in chromeos/

chromeos/network/portal_detector/network_portal_detector.h

Index: chromeos/network/portal_detector/network_portal_detector.h
diff --git a/chromeos/network/portal_detector/network_portal_detector.h b/chromeos/network/portal_detector/network_portal_detector.h
index a42de0779ac1939ec560cc4b79d6613b445622e7..640c41b48c66d39664969cb8e4bceaec1c567bff 100644
--- a/chromeos/network/portal_detector/network_portal_detector.h
+++ b/chromeos/network/portal_detector/network_portal_detector.h
@@ -150,15 +150,15 @@ class CHROMEOS_EXPORT NetworkPortalDetectorStubImpl
 
  protected:
   // NetworkPortalDetector
-  virtual void AddObserver(Observer* observer) OVERRIDE;
-  virtual void AddAndFireObserver(Observer* observer) OVERRIDE;
-  virtual void RemoveObserver(Observer* observer) OVERRIDE;
+  virtual void AddObserver(Observer* observer) override;
+  virtual void AddAndFireObserver(Observer* observer) override;
+  virtual void RemoveObserver(Observer* observer) override;
   virtual CaptivePortalState GetCaptivePortalState(
-      const std::string& service_path) OVERRIDE;
-  virtual bool IsEnabled() OVERRIDE;
-  virtual void Enable(bool start_detection) OVERRIDE;
-  virtual bool StartDetectionIfIdle() OVERRIDE;
-  virtual void SetStrategy(PortalDetectorStrategy::StrategyId id) OVERRIDE;
+      const std::string& service_path) override;
+  virtual bool IsEnabled() override;
+  virtual void Enable(bool start_detection) override;
+  virtual bool StartDetectionIfIdle() override;
+  virtual void SetStrategy(PortalDetectorStrategy::StrategyId id) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetworkPortalDetectorStubImpl);