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

components/webdata/encryptor/encryptor_mac.mm

 // Copyright (c) 2012 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 <CommonCrypto/CommonCryptor.h>  // for kCCBlockSizeAES128
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 53 matching lines @@
                                                   kDerivedKeySizeInBits));
   DCHECK(encryption_key.get());
 
   return encryption_key.release();
 }
 
 }  // namespace
 
 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) {
   if (plaintext.empty()) {
     *ciphertext = std::string();
     return true;
   }
 
@@ skipping 47 matching lines @@
   if (!encryptor.Decrypt(raw_ciphertext, plaintext))
     return false;
 
   return true;
 }
 
 void Encryptor::UseMockKeychain(bool use_mock) {
   use_mock_keychain = use_mock;
 }