html_viewer: Move webcrypto to a place where html_viewer can use it.

content/child/webcrypto/openssl/aes_gcm_openssl.cc

Index: content/child/webcrypto/openssl/aes_gcm_openssl.cc
diff --git a/content/child/webcrypto/openssl/aes_gcm_openssl.cc b/content/child/webcrypto/openssl/aes_gcm_openssl.cc
deleted file mode 100644
index 1b86205af08af9df2dd85876a073b87f8cc6e8a1..0000000000000000000000000000000000000000
--- a/content/child/webcrypto/openssl/aes_gcm_openssl.cc
+++ /dev/null
@@ -1,84 +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.
-
-#include <vector>
-#include <openssl/evp.h>
-
-#include "base/logging.h"
-#include "base/stl_util.h"
-#include "content/child/webcrypto/crypto_data.h"
-#include "content/child/webcrypto/openssl/aes_algorithm_openssl.h"
-#include "content/child/webcrypto/openssl/key_openssl.h"
-#include "content/child/webcrypto/openssl/util_openssl.h"
-#include "content/child/webcrypto/status.h"
-#include "content/child/webcrypto/webcrypto_util.h"
-#include "crypto/openssl_util.h"
-#include "crypto/scoped_openssl_types.h"
-#include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
-
-namespace content {
-
-namespace webcrypto {
-
-namespace {
-
-const EVP_AEAD* GetAesGcmAlgorithmFromKeySize(unsigned int key_size_bytes) {
-  switch (key_size_bytes) {
-    case 16:
-      return EVP_aead_aes_128_gcm();
-    case 32:
-      return EVP_aead_aes_256_gcm();
-    default:
-      return NULL;
-  }
-}
-
-Status AesGcmEncryptDecrypt(EncryptOrDecrypt mode,
-                            const blink::WebCryptoAlgorithm& algorithm,
-                            const blink::WebCryptoKey& key,
-                            const CryptoData& data,
-                            std::vector<uint8_t>* buffer) {
-  const std::vector<uint8_t>& raw_key =
-      SymKeyOpenSsl::Cast(key)->raw_key_data();
-  const blink::WebCryptoAesGcmParams* params = algorithm.aesGcmParams();
-
-  unsigned int tag_length_bits;
-  Status status = GetAesGcmTagLengthInBits(params, &tag_length_bits);
-  if (status.IsError())
-    return status;
-
-  return AeadEncryptDecrypt(
-      mode, raw_key, data, tag_length_bits / 8, CryptoData(params->iv()),
-      CryptoData(params->optionalAdditionalData()),
-      GetAesGcmAlgorithmFromKeySize(raw_key.size()), buffer);
-}
-
-class AesGcmImplementation : public AesAlgorithm {
- public:
-  AesGcmImplementation() : AesAlgorithm("GCM") {}
-
-  Status Encrypt(const blink::WebCryptoAlgorithm& algorithm,
-                 const blink::WebCryptoKey& key,
-                 const CryptoData& data,
-                 std::vector<uint8_t>* buffer) const override {
-    return AesGcmEncryptDecrypt(ENCRYPT, algorithm, key, data, buffer);
-  }
-
-  Status Decrypt(const blink::WebCryptoAlgorithm& algorithm,
-                 const blink::WebCryptoKey& key,
-                 const CryptoData& data,
-                 std::vector<uint8_t>* buffer) const override {
-    return AesGcmEncryptDecrypt(DECRYPT, algorithm, key, data, buffer);
-  }
-};
-
-}  // namespace
-
-AlgorithmImplementation* CreatePlatformAesGcmImplementation() {
-  return new AesGcmImplementation;
-}
-
-}  // namespace webcrypto
-
-}  // namespace content