Revert 284192 due to a failing test.

content/child/webcrypto/nss/key_nss.h

Index: content/child/webcrypto/nss/key_nss.h
diff --git a/content/child/webcrypto/nss/key_nss.h b/content/child/webcrypto/nss/key_nss.h
deleted file mode 100644
index f1980e27ad7ff7f4e04a4d506eaf02534834eea1..0000000000000000000000000000000000000000
--- a/content/child/webcrypto/nss/key_nss.h
+++ /dev/null
@@ -1,102 +0,0 @@
-// 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 CONTENT_CHILD_WEBCRYPTO_NSS_KEY_NSS_H_
-#define CONTENT_CHILD_WEBCRYPTO_NSS_KEY_NSS_H_
-
-#include "content/child/webcrypto/algorithm_implementation.h"
-
-#include "crypto/scoped_nss_types.h"
-
-namespace content {
-
-namespace webcrypto {
-
-class PrivateKeyNss;
-class PublicKeyNss;
-class SymKeyNss;
-
-// Base key class for all NSS keys, used to safely cast between types. Each key
-// maintains a copy of its serialized form in either 'raw', 'pkcs8', or 'spki'
-// format. This is to allow structured cloning of keys synchronously from the
-// target Blink thread without having to lock access to the key.
-class KeyNss : public blink::WebCryptoKeyHandle {
- public:
-  explicit KeyNss(const CryptoData& serialized_key_data);
-  virtual ~KeyNss();
-
-  virtual SymKeyNss* AsSymKey();
-  virtual PublicKeyNss* AsPublicKey();
-  virtual PrivateKeyNss* AsPrivateKey();
-
-  const std::vector<uint8>& serialized_key_data() const {
-    return serialized_key_data_;
-  }
-
- private:
-  const std::vector<uint8> serialized_key_data_;
-};
-
-class SymKeyNss : public KeyNss {
- public:
-  virtual ~SymKeyNss();
-  SymKeyNss(crypto::ScopedPK11SymKey key, const CryptoData& raw_key_data);
-
-  static SymKeyNss* Cast(const blink::WebCryptoKey& key);
-
-  PK11SymKey* key() { return key_.get(); }
-  virtual SymKeyNss* AsSymKey() OVERRIDE;
-
-  const std::vector<uint8>& raw_key_data() const {
-    return serialized_key_data();
-  }
-
- private:
-  crypto::ScopedPK11SymKey key_;
-
-  DISALLOW_COPY_AND_ASSIGN(SymKeyNss);
-};
-
-class PublicKeyNss : public KeyNss {
- public:
-  virtual ~PublicKeyNss();
-  PublicKeyNss(crypto::ScopedSECKEYPublicKey key, const CryptoData& spki_data);
-
-  static PublicKeyNss* Cast(const blink::WebCryptoKey& key);
-
-  SECKEYPublicKey* key() { return key_.get(); }
-  virtual PublicKeyNss* AsPublicKey() OVERRIDE;
-
-  const std::vector<uint8>& spki_data() const { return serialized_key_data(); }
-
- private:
-  crypto::ScopedSECKEYPublicKey key_;
-
-  DISALLOW_COPY_AND_ASSIGN(PublicKeyNss);
-};
-
-class PrivateKeyNss : public KeyNss {
- public:
-  virtual ~PrivateKeyNss();
-  PrivateKeyNss(crypto::ScopedSECKEYPrivateKey key,
-                const CryptoData& pkcs8_data);
-
-  static PrivateKeyNss* Cast(const blink::WebCryptoKey& key);
-
-  SECKEYPrivateKey* key() { return key_.get(); }
-  virtual PrivateKeyNss* AsPrivateKey() OVERRIDE;
-
-  const std::vector<uint8>& pkcs8_data() const { return serialized_key_data(); }
-
- private:
-  crypto::ScopedSECKEYPrivateKey key_;
-
-  DISALLOW_COPY_AND_ASSIGN(PrivateKeyNss);
-};
-
-}  // namespace webcrypto
-
-}  // namespace content
-
-#endif  // CONTENT_CHILD_WEBCRYPTO_NSS_KEY_NSS_H_