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

components/webcrypto/nss/util_nss.h

 // 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_UTIL_NSS_H_
 #define CONTENT_CHILD_WEBCRYPTO_NSS_UTIL_NSS_H_
 
 #include <keythi.h>
 #include <pkcs11t.h>
 #include <seccomon.h>
 #include <secmodt.h>
 
 #include "base/lazy_instance.h"
 
-namespace content {
+namespace components {
 
 namespace webcrypto {
 
 class CryptoData;
 
 SECItem MakeSECItemForBuffer(const CryptoData& buffer);
 enum EncryptOrDecrypt { ENCRYPT, DECRYPT };
 
 CryptoData SECItemToCryptoData(const SECItem& item);
 
@@ skipping 78 matching lines @@
 
   PK11_EncryptDecryptFunction pk11_encrypt_func_;
   PK11_EncryptDecryptFunction pk11_decrypt_func_;
   PK11_PubEncryptFunction pk11_pub_encrypt_func_;
   PK11_PrivDecryptFunction pk11_priv_decrypt_func_;
   bool internal_slot_does_oaep_;
 };
 
 }  // namespace webcrypto
 
-}  // namespace content
+}  // namespace components
 
 #endif  // CONTENT_CHILD_WEBCRYPTO_NSS_UTIL_NSS_H_