Pure pedantry: Replace all ".size() == 0" with ".empty()".

base/crypto/encryptor_nss.cc

 // Copyright (c) 2011 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.
 
 #include "base/crypto/encryptor.h"
 
 #include <cryptohi.h>
 #include <vector>
 
 #include "base/crypto/symmetric_key.h"
@@ skipping 67 matching lines @@
                         ciphertext_len - op_len);
   if (SECSuccess != rv)
     return false;
 
   ciphertext->assign(reinterpret_cast<char *>(&buffer[0]),
                      op_len + digest_len);
   return true;
 }
 
 bool Encryptor::Decrypt(const std::string& ciphertext, std::string* plaintext) {
-  if (ciphertext.size() == 0)
+  if (ciphertext.empty())
     return false;
 
   ScopedPK11Context context(PK11_CreateContextBySymKey(CKM_AES_CBC_PAD,
                                                        CKA_DECRYPT,
                                                        key_->key(),
                                                        param_.get()));
   if (!context.get())
     return false;
 
   size_t plaintext_len = ciphertext.size();
@@ skipping 17 matching lines @@
                         plaintext_len - op_len);
   if (SECSuccess != rv)
     return false;
 
   plaintext->assign(reinterpret_cast<char *>(&buffer[0]),
                     op_len + digest_len);
   return true;
 }
 
 }  // namespace base