Revert "Cut down /crypto and switch what is left of it to boringssl."

crypto/third_party/nss/chromium-sha256.h

 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  * for the specific language governing rights and limitations under the
  * License.
  *
  * The Original Code is the Netscape security libraries.
  *
  * The Initial Developer of the Original Code is
  * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 2001
+ * Portions created by the Initial Developer are Copyright (C) 2002
  * the Initial Developer. All Rights Reserved.
  *
  * Contributor(s):
  *
  * Alternatively, the contents of this file may be used under the terms of
  * either the GNU General Public License Version 2 or later (the "GPL"), or
  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  * in which case the provisions of the GPL or the LGPL are applicable instead
  * of those above. If you wish to allow use of your version of this file only
  * under the terms of either the GPL or the LGPL, and not to allow others to
  * use your version of this file under the terms of the MPL, indicate your
  * decision by deleting the provisions above and replace them with the notice
  * and other provisions required by the GPL or the LGPL. If you do not delete
  * the provisions above, a recipient may use your version of this file under
  * the terms of any one of the MPL, the GPL or the LGPL.
  *
  * ***** END LICENSE BLOCK ***** */
 
-#ifndef __nssrenam_h_
-#define __nssrenam_h_
+#ifndef CRYPTO_THIRD_PARTY_NSS_CHROMIUM_SHA_256_H_
+#define CRYPTO_THIRD_PARTY_NSS_CHROMIUM_SHA_256_H_
 
-#define CERT_AddTempCertToPerm __CERT_AddTempCertToPerm
-#define PK11_CreateContextByRawKey __PK11_CreateContextByRawKey
-#define CERT_ClosePermCertDB __CERT_ClosePermCertDB
-#define CERT_DecodeDERCertificate __CERT_DecodeDERCertificate
-#define CERT_TraversePermCertsForNickname __CERT_TraversePermCertsForNickname
-#define CERT_TraversePermCertsForSubject __CERT_TraversePermCertsForSubject
+#include "crypto/third_party/nss/chromium-prtypes.h"
 
-#endif /* __nssrenam_h_ */
+struct SHA256ContextStr {
+    union {
+        PRUint32 w[64];     /* message schedule, input buffer, plus 48 words */
+        PRUint8  b[256];
+    } u;
+    PRUint32 h[8];              /* 8 state variables */
+    PRUint32 sizeHi,sizeLo;     /* 64-bit count of hashed bytes. */
+};
+
+#endif /* CRYPTO_THIRD_PARTY_NSS_CHROMIUM_SHA_256_H_ */