Add base:: to string16s in chrome/.

chrome/utility/importer/nss_decryptor_mac.h

 // 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.
 
 #ifndef CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_MAC_H_
 #define CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_MAC_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 108 matching lines @@
         PK11_CheckUserPassword(NULL), PK11_FreeSlot(NULL),
         PK11_Authenticate(NULL), PK11SDR_Decrypt(NULL), SECITEM_FreeItem(NULL),
         is_nss_initialized_(false) {}
   ~NSSDecryptor();
 
   // Initializes NSS if it hasn't already been initialized.
   bool Init(const base::FilePath& dll_path, const base::FilePath& db_path);
 
   // Decrypts Firefox stored passwords. Before using this method,
   // make sure Init() returns true.
-  string16 Decrypt(const std::string& crypt) const;
+  base::string16 Decrypt(const std::string& crypt) const;
 
   // Parses the Firefox password file content, decrypts the
   // username/password and reads other related information.
   // The result will be stored in |forms|.
   void ParseSignons(const std::string& content,
                     std::vector<autofill::PasswordForm>* forms);
 
   // Reads and parses the Firefox password sqlite db, decrypts the
   // username/password and reads other related information.
   // The result will be stored in |forms|.
@@ skipping 13 matching lines @@
   PK11SDRDecryptFunc PK11SDR_Decrypt;
   SECITEMFreeItemFunc SECITEM_FreeItem;
 
   // True if NSS_Init() has been called
   bool is_nss_initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(NSSDecryptor);
 };
 
 #endif  // CHROME_UTILITY_IMPORTER_NSS_DECRYPTOR_MAC_H_