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

content/child/webcrypto/nss/sym_key_nss.cc

Index: content/child/webcrypto/nss/sym_key_nss.cc
diff --git a/content/child/webcrypto/nss/sym_key_nss.cc b/content/child/webcrypto/nss/sym_key_nss.cc
deleted file mode 100644
index 53efeb0dd87a6e77bfe1f5274ee65adc94e5b3f6..0000000000000000000000000000000000000000
--- a/content/child/webcrypto/nss/sym_key_nss.cc
+++ /dev/null
@@ -1,80 +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 "content/child/webcrypto/nss/sym_key_nss.h"
-
-#include "base/logging.h"
-#include "content/child/webcrypto/crypto_data.h"
-#include "content/child/webcrypto/generate_key_result.h"
-#include "content/child/webcrypto/nss/key_nss.h"
-#include "content/child/webcrypto/nss/util_nss.h"
-#include "content/child/webcrypto/status.h"
-#include "content/child/webcrypto/webcrypto_util.h"
-#include "crypto/scoped_nss_types.h"
-#include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
-
-namespace content {
-
-namespace webcrypto {
-
-Status GenerateSecretKeyNss(const blink::WebCryptoKeyAlgorithm& algorithm,
-                            bool extractable,
-                            blink::WebCryptoKeyUsageMask usages,
-                            unsigned int keylen_bits,
-                            CK_MECHANISM_TYPE mechanism,
-                            GenerateKeyResult* result) {
-  DCHECK_NE(CKM_INVALID_MECHANISM, mechanism);
-
-  crypto::ScopedPK11Slot slot(PK11_GetInternalKeySlot());
-  if (!slot)
-    return Status::OperationError();
-
-  std::vector<uint8_t> bytes(NumBitsToBytes(keylen_bits));
-  if (bytes.size() > 0) {
-    if (PK11_GenerateRandom(&bytes[0], bytes.size()) != SECSuccess)
-      return Status::OperationError();
-    TruncateToBitLength(keylen_bits, &bytes);
-  }
-
-  blink::WebCryptoKey key;
-  Status status = ImportKeyRawNss(CryptoData(bytes), algorithm, extractable,
-                                  usages, mechanism, &key);
-  if (status.IsError())
-    return status;
-
-  result->AssignSecretKey(key);
-  return Status::Success();
-}
-
-Status ImportKeyRawNss(const CryptoData& key_data,
-                       const blink::WebCryptoKeyAlgorithm& algorithm,
-                       bool extractable,
-                       blink::WebCryptoKeyUsageMask usages,
-                       CK_MECHANISM_TYPE mechanism,
-                       blink::WebCryptoKey* key) {
-  // The usages are enforced at the WebCrypto layer, so it isn't necessary to
-  // create keys with limited usages.
-  CK_FLAGS flags = kAllOperationFlags;
-
-  DCHECK(!algorithm.isNull());
-  SECItem key_item = MakeSECItemForBuffer(key_data);
-
-  crypto::ScopedPK11Slot slot(PK11_GetInternalSlot());
-  crypto::ScopedPK11SymKey pk11_sym_key(PK11_ImportSymKeyWithFlags(
-      slot.get(), mechanism, PK11_OriginUnwrap, CKA_FLAGS_ONLY, &key_item,
-      flags, false, NULL));
-  if (!pk11_sym_key.get())
-    return Status::OperationError();
-
-  scoped_ptr<SymKeyNss> handle(new SymKeyNss(pk11_sym_key.Pass(), key_data));
-
-  *key = blink::WebCryptoKey::create(handle.release(),
-                                     blink::WebCryptoKeyTypeSecret, extractable,
-                                     algorithm, usages);
-  return Status::Success();
-}
-
-}  // namespace webcrypto
-
-}  // namespace content