Encrypt all stored cookies on selected operating systems.

content/public/browser/cookie_crypto_delegate.h

Index: content/public/browser/cookie_crypto_delegate.h
diff --git a/content/public/browser/cookie_crypto_delegate.h b/content/public/browser/cookie_crypto_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..6729c4827ef1b97bb79533da0667e5eaac229179
--- /dev/null
+++ b/content/public/browser/cookie_crypto_delegate.h
@@ -0,0 +1,22 @@
+// Copyright (c) 2013 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 CONTENT_PUBLIC_BROWSER_COOKIE_CRYPTO_DELEGATE_H_
+#define CONTENT_PUBLIC_BROWSER_COOKIE_CRYPTO_DELEGATE_H_
+
+namespace content {
+
+// Implements encryption and decryption for the persistent cookie store.
+class CookieCryptoDelegate {
+ public:
+  virtual ~CookieCryptoDelegate() {}
+  virtual bool EncryptString(const std::string& plaintext,
+                             std::string* ciphertext) = 0;
+  virtual bool DecryptString(const std::string& ciphertext,
+                             std::string* plaintext) = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_COOKIE_CRYPTO_DELEGATE_H_