Fix non-noise cpplint errors in //crypto.

crypto/nss_crypto_module_delegate.h

 // Copyright 2013 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.
 
 #ifndef CRYPTO_NSS_CRYPTO_MODULE_DELEGATE_H_
 #define CRYPTO_NSS_CRYPTO_MODULE_DELEGATE_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
@@ skipping 17 matching lines @@
   void* wincx() { return this; }
 
   // Requests a password to unlock |slot_name|. The interface is synchronous
   // because NSS cannot issue an asynchronous request. |retry| is true if this
   // is a request for the retry and we previously returned the wrong password.
   // The implementation should set |*cancelled| to true if the user cancelled
   // instead of entering a password, otherwise it should return the password the
   // user entered.
   virtual std::string RequestPassword(const std::string& slot_name, bool retry,
                                       bool* cancelled) = 0;
-
 };
 
 // Extends CryptoModuleBlockingPasswordDelegate with the ability to return a
 // slot in which to act. (Eg, which slot to store a generated key in.)
 class NSSCryptoModuleDelegate : public CryptoModuleBlockingPasswordDelegate {
  public:
   ~NSSCryptoModuleDelegate() override {}
 
   // Get the slot to store the generated key.
   virtual ScopedPK11Slot RequestSlot() = 0;
 };
 
 }  // namespace crypto
 
 #endif  // CRYPTO_NSS_CRYPTO_MODULE_DELEGATE_H_