Make Encryptor a component. Used by //chrome and (soon) //components/webdata.

chrome/browser/password_manager/encryptor_win.cc

Index: chrome/browser/password_manager/encryptor_win.cc
diff --git a/chrome/browser/password_manager/encryptor_win.cc b/chrome/browser/password_manager/encryptor_win.cc
deleted file mode 100644
index ba50339cc4b1a09e399dd88374c717273f1ac087..0000000000000000000000000000000000000000
--- a/chrome/browser/password_manager/encryptor_win.cc
+++ /dev/null
@@ -1,65 +0,0 @@
-// Copyright (c) 2006-2008 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/password_manager/encryptor.h"
-
-#include <windows.h>
-#include <wincrypt.h>
-#include "base/utf_string_conversions.h"
-
-#pragma comment(lib, "crypt32.lib")
-
-bool Encryptor::EncryptString16(const string16& plaintext,
-                                std::string* ciphertext) {
-  return EncryptString(UTF16ToUTF8(plaintext), ciphertext);
-}
-
-bool Encryptor::DecryptString16(const std::string& ciphertext,
-                                string16* plaintext) {
-  std::string utf8;
-  if (!DecryptString(ciphertext, &utf8))
-    return false;
-
-  *plaintext = UTF8ToUTF16(utf8);
-  return true;
-}
-
-bool Encryptor::EncryptString(const std::string& plaintext,
-                              std::string* ciphertext) {
-  DATA_BLOB input;
-  input.pbData = const_cast<BYTE*>(
-      reinterpret_cast<const BYTE*>(plaintext.data()));
-  input.cbData = static_cast<DWORD>(plaintext.length());
-
-  DATA_BLOB output;
-  BOOL result = CryptProtectData(&input, L"", NULL, NULL, NULL,
-                                 0, &output);
-  if (!result)
-    return false;
-
-  // this does a copy
-  ciphertext->assign(reinterpret_cast<std::string::value_type*>(output.pbData),
-                     output.cbData);
-
-  LocalFree(output.pbData);
-  return true;
-}
-
-bool Encryptor::DecryptString(const std::string& ciphertext,
-                              std::string* plaintext) {
-  DATA_BLOB input;
-  input.pbData = const_cast<BYTE*>(
-      reinterpret_cast<const BYTE*>(ciphertext.data()));
-  input.cbData = static_cast<DWORD>(ciphertext.length());
-
-  DATA_BLOB output;
-  BOOL result = CryptUnprotectData(&input, NULL, NULL, NULL, NULL,
-                                   0, &output);
-  if (!result)
-    return false;
-
-  plaintext->assign(reinterpret_cast<char*>(output.pbData), output.cbData);
-  LocalFree(output.pbData);
-  return true;
-}