Revert of 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
deleted file mode 100644
index 6729c4827ef1b97bb79533da0667e5eaac229179..0000000000000000000000000000000000000000
--- a/content/public/browser/cookie_crypto_delegate.h
+++ /dev/null
@@ -1,22 +0,0 @@
-// 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_