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

components/webcrypto/nss/key_nss.cc

 // 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/key_nss.h"
+#include "components/webcrypto/nss/key_nss.h"
 
-#include "content/child/webcrypto/crypto_data.h"
-#include "content/child/webcrypto/status.h"
-#include "content/child/webcrypto/webcrypto_util.h"
+#include "components/webcrypto/crypto_data.h"
+#include "components/webcrypto/status.h"
+#include "components/webcrypto/webcrypto_util.h"
 
-namespace content {
+namespace components {
 
 namespace webcrypto {
 
 KeyNss::KeyNss(const CryptoData& serialized_key_data)
     : serialized_key_data_(
           serialized_key_data.bytes(),
           serialized_key_data.bytes() + serialized_key_data.byte_length()) {
 }
 
 KeyNss::~KeyNss() {
@@ skipping 57 matching lines @@
   return this;
 }
 
 PrivateKeyNss::PrivateKeyNss(crypto::ScopedSECKEYPrivateKey key,
                              const CryptoData& pkcs8_data)
     : KeyNss(pkcs8_data), key_(key.Pass()) {
 }
 
 }  // namespace webcrypto
 
-}  // namespace content
+}  // namespace components