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

components/webcrypto/nss/util_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/util_nss.h"
+#include "components/webcrypto/nss/util_nss.h"
 
 #include "base/lazy_instance.h"
-#include "content/child/webcrypto/crypto_data.h"
-#include "content/child/webcrypto/platform_crypto.h"
+#include "components/webcrypto/crypto_data.h"
+#include "components/webcrypto/platform_crypto.h"
 #include "crypto/nss_util.h"
 #include "crypto/scoped_nss_types.h"
 
 #if defined(USE_NSS)
 #include <dlfcn.h>
 #include <secoid.h>
 #endif
 
-namespace content {
-
 namespace webcrypto {
 
 namespace {
 base::LazyInstance<NssRuntimeSupport>::Leaky g_nss_runtime_support =
     LAZY_INSTANCE_INITIALIZER;
 }  // namespace
 
 // Creates a SECItem for the data in |buffer|. This does NOT make a copy, so
 // |buffer| should outlive the SECItem.
 SECItem MakeSECItemForBuffer(const CryptoData& buffer) {
@@ skipping 76 matching lines @@
   return NULL;
 }
 
 AlgorithmImplementation* CreatePlatformPbkdf2Implementation() {
   // PBKDF2 will only be implemented for BoringSSL, since the NSS
   // implementation is being deprecated.
   return NULL;
 }
 
 }  // namespace webcrypto
-
-}  // namespace content