1 files changed, 36 insertions, 0 deletions
diff --git a/components/os_crypt/keychain_password_mac.h b/components/os_crypt/keychain_password_mac.h
new file mode 100644
index 0000000..f044f04
--- /dev/null
+++ b/components/os_crypt/keychain_password_mac.h
@@ -0,0 +1,36 @@
+// Copyright 2014 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 COMPONENTS_OS_CRYPT_KEYCHAIN_PASSWORD_MAC_H_
+#define COMPONENTS_OS_CRYPT_KEYCHAIN_PASSWORD_MAC_H_
+
+#include <string>
+
+#include "base/macros.h"
+
+namespace crypto {
+class AppleKeychain;
+}
+
+class KeychainPassword {
+ public:
+  explicit KeychainPassword(const crypto::AppleKeychain& keychain)
+      : keychain_(keychain) {
+  }
+
+  // Get the OSCrypt password for this system.  If no password exists
+  // in the Keychain then one is generated, stored in the Mac keychain, and
+  // returned.
+  // If one exists then it is fetched from the Keychain and returned.
+  // If the user disallows access to the Keychain (or an error occurs) then an
+  // empty string is returned.
+  std::string GetPassword() const;
+
+ private:
+  const crypto::AppleKeychain& keychain_;
+
+  DISALLOW_COPY_AND_ASSIGN(KeychainPassword);
+};
+
+#endif  // COMPONENTS_OS_CRYPT_KEYCHAIN_PASSWORD_MAC_H_