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

components/webcrypto/nss/key_nss.cc

Index: components/webcrypto/nss/key_nss.cc
diff --git a/content/child/webcrypto/nss/key_nss.cc b/components/webcrypto/nss/key_nss.cc
similarity index 88%
rename from content/child/webcrypto/nss/key_nss.cc
rename to components/webcrypto/nss/key_nss.cc
index 0887fe659eae969da86633f5bdd014914d3318d6..80183f2ce1e06ac47ed0e500cc51b68a17d6b3fd 100644
--- a/content/child/webcrypto/nss/key_nss.cc
+++ b/components/webcrypto/nss/key_nss.cc
@@ -2,13 +2,13 @@
 // 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 {
 
@@ -86,4 +86,4 @@ PrivateKeyNss::PrivateKeyNss(crypto::ScopedSECKEYPrivateKey key,
 
 }  // namespace webcrypto
 
-}  // namespace content
+}  // namespace components