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

components/webcrypto/nss/sym_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/sym_key_nss.h"
+#include "components/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 "components/webcrypto/crypto_data.h"
+#include "components/webcrypto/generate_key_result.h"
+#include "components/webcrypto/nss/key_nss.h"
+#include "components/webcrypto/nss/util_nss.h"
+#include "components/webcrypto/status.h"
+#include "components/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);
 
@@ skipping 40 matching lines @@
 
   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