Move WriteInto to base namespace.

chrome/browser/chromeos/login/easy_unlock/easy_unlock_create_keys_operation.cc

 // Copyright 2014 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 "chrome/browser/chromeos/login/easy_unlock/easy_unlock_create_keys_operation.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 245 matching lines @@
 }
 
 void EasyUnlockCreateKeysOperation::CreateKeyForDeviceAtIndex(size_t index) {
   DCHECK_GE(index, 0u);
   if (index == devices_.size()) {
     callback_.Run(true);
     return;
   }
 
   std::string user_key;
-  crypto::RandBytes(WriteInto(&user_key, kUserKeyByteSize + 1),
+  crypto::RandBytes(base::WriteInto(&user_key, kUserKeyByteSize + 1),
                     kUserKeyByteSize);
 
   scoped_ptr<crypto::SymmetricKey> session_key(
       crypto::SymmetricKey::GenerateRandomKey(crypto::SymmetricKey::AES,
                                               kSessionKeyByteSize * 8));
 
   std::string iv(kSessionKeyByteSize, ' ');
   crypto::Encryptor encryptor;
   if (!encryptor.Init(session_key.get(), crypto::Encryptor::CBC, iv)) {
     LOG(ERROR) << "Easy unlock failed to init encryptor for key creation.";
@@ skipping 108 matching lines @@
       user_context_.GetKey()->GetLabel() ==
           EasyUnlockKeyManager::GetKeyLabel(key_creation_index_)) {
     user_context_.SetKey(user_key);
   }
 
   ++key_creation_index_;
   CreateKeyForDeviceAtIndex(key_creation_index_);
 }
 
 }  // namespace chromeos