replace OVERRIDE and FINAL with override and final in chrome/browser/chromeos/

chrome/browser/chromeos/login/auth/chrome_cryptohome_authenticator.h

Index: chrome/browser/chromeos/login/auth/chrome_cryptohome_authenticator.h
diff --git a/chrome/browser/chromeos/login/auth/chrome_cryptohome_authenticator.h b/chrome/browser/chromeos/login/auth/chrome_cryptohome_authenticator.h
index d90126fd3136cf2772b817669d60f451a078599c..e3b97afc233b47d50b3ad850a20c9239178c0489 100644
--- a/chrome/browser/chromeos/login/auth/chrome_cryptohome_authenticator.h
+++ b/chrome/browser/chromeos/login/auth/chrome_cryptohome_authenticator.h
@@ -18,10 +18,10 @@ class ChromeCryptohomeAuthenticator : public CryptohomeAuthenticator {
  protected:
   virtual ~ChromeCryptohomeAuthenticator();
 
-  virtual bool IsKnownUser(const UserContext& context) OVERRIDE;
-  virtual bool IsSafeMode() OVERRIDE;
+  virtual bool IsKnownUser(const UserContext& context) override;
+  virtual bool IsSafeMode() override;
   virtual void CheckSafeModeOwnership(const UserContext& context,
-                                      const IsOwnerCallback& callback) OVERRIDE;
+                                      const IsOwnerCallback& callback) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeCryptohomeAuthenticator);