Update uses of UTF conversions in chrome_frame/, chromeos/, components/ to use the base:: namespace.

components/webdata/encryptor/encryptor_win.cc

 // 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 "components/webdata/encryptor/encryptor.h"
 
 #include <windows.h>
 #include <wincrypt.h>
 #include "base/strings/utf_string_conversions.h"
 
 #pragma comment(lib, "crypt32.lib")
 
 bool Encryptor::EncryptString16(const base::string16& plaintext,
                                 std::string* ciphertext) {
-  return EncryptString(UTF16ToUTF8(plaintext), ciphertext);
+  return EncryptString(base::UTF16ToUTF8(plaintext), ciphertext);
 }
 
 bool Encryptor::DecryptString16(const std::string& ciphertext,
                                 base::string16* plaintext) {
   std::string utf8;
   if (!DecryptString(ciphertext, &utf8))
     return false;
 
-  *plaintext = UTF8ToUTF16(utf8);
+  *plaintext = base::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());
 
@@ skipping 21 matching lines @@
   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;
 }