Move *keychain_mac* files to crypto/

chrome/browser/password_manager/encryptor_password_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 "chrome/browser/password_manager/encryptor_password_mac.h"
 
 #import <Security/Security.h>
 
 #include "base/base64.h"
 #include "base/mac/mac_logging.h"
 #include "base/rand_util.h"
-#include "chrome/browser/keychain_mac.h"
+#include "crypto/keychain_mac.h"
 #include "ui/base/l10n/l10n_util.h"
 
+using crypto::MacKeychain;
+
 namespace {
 
 // Generates a random password and adds it to the Keychain.  The added password
 // is returned from the function.  If an error occurs, an empty password is
 // returned.
 std::string AddRandomPasswordToKeychain(const MacKeychain& keychain,
                                         const std::string& service_name,
                                         const std::string& account_name) {
   // Generate a password with 128 bits of randomness.
   const int kBytes = 128 / 8;
@@ skipping 44 matching lines @@
         std::string(static_cast<char*>(password_data), password_length);
     keychain_.ItemFreeContent(NULL, password_data);
     return password;
   } else if (error == errSecItemNotFound) {
     return AddRandomPasswordToKeychain(keychain_, service_name, account_name);
   } else {
     OSSTATUS_DLOG(ERROR, error) << "Keychain lookup failed";
     return std::string();
   }
 }