Add missing (and remove superfluous) 'explicit' from constructors.

crypto/openpgp_symmetric_encryption.cc

 // Copyright (c) 2012 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 "crypto/openpgp_symmetric_encryption.h"
 
 #include <stdlib.h>
 
 #include <sechash.h>
 #include <cryptohi.h>
 
 #include <vector>
 
 #include "base/logging.h"
 #include "crypto/random.h"
 #include "crypto/scoped_nss_types.h"
 #include "crypto/nss_util.h"
 
 namespace crypto {
 
 namespace {
 
 // Reader wraps a StringPiece and provides methods to read several datatypes
 // while advancing the StringPiece.
 class Reader {
  public:
-  Reader(base::StringPiece input)
+  explicit Reader(base::StringPiece input)
       : data_(input) {
   }
 
   bool U8(uint8* out) {
     if (data_.size() < 1)
       return false;
     *out = static_cast<uint8>(data_[0]);
     data_.remove_prefix(1);
     return true;
   }
@@ skipping 748 matching lines @@
     base::StringPiece plaintext,
     base::StringPiece passphrase) {
   EnsureNSSInit();
 
   Encrypter::ByteString b =
       Encrypter::Encrypt(plaintext, passphrase);
   return std::string(reinterpret_cast<const char*>(b.data()), b.size());
 }
 
 }  // namespace crypto