Use a direct include of strings headers in crypto/, dbus/, device/.

crypto/rsa_private_key.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 "crypto/rsa_private_key.h"
 
 #include <algorithm>
 #include <list>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/string_util.h"
+#include "base/strings/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 {
 //   version Version,
 //   privateKeyAlgorithm PrivateKeyAlgorithmIdentifier,
 //   privateKey PrivateKey,
 //   attributes [0] IMPLICIT Attributes OPTIONAL
 // }
@@ skipping 352 matching lines @@
   // The version should be zero.
   for (uint32 i = 0; i < length; ++i) {
     READ_ASSERT(**pos == 0x00);
     (*pos)++;
   }
 
   return true;
 }
 
 }  // namespace crypto