Remove <iostream> where possible.

base/crypto/rsa_private_key.cc

 // Copyright (c) 2009 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/rsa_private_key.h"
 
-#include <iostream>
 #include <list>
 
 #include "base/logging.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
 
 // This file manually encodes and decodes RSA private keys using PrivateKeyInfo
 // from PKCS #8 and RSAPrivateKey from PKCS #1. These structures are:
 //
 // PrivateKeyInfo ::= SEQUENCE {
@@ skipping 348 matching lines @@
   }
   out->insert(out->end(), temp.begin(), temp.end());
 
   // Reverse output if little-endian.
   if (!big_endian_)
     reverse(out->begin(), out->end());
   return true;
 }
 
 }  // namespace base