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

components/webcrypto/jwk.cc

Index: components/webcrypto/jwk.cc
diff --git a/content/child/webcrypto/jwk.cc b/components/webcrypto/jwk.cc
similarity index 98%
rename from content/child/webcrypto/jwk.cc
rename to components/webcrypto/jwk.cc
index 9c29dc2d396b85e6f807a06abf0f5933a38fa880..e3e2de6ae86e59da2e0b010e34122ba63e99d088 100644
--- a/content/child/webcrypto/jwk.cc
+++ b/components/webcrypto/jwk.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/child/webcrypto/jwk.h"
+#include "components/webcrypto/jwk.h"
 
 #include <set>
 
@@ -12,9 +12,9 @@
 #include "base/stl_util.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/stringprintf.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"
 
 // TODO(eroman): The algorithm-specific logic in this file for AES and RSA
 // should be moved into the corresponding AlgorithmImplementation file. It
@@ -36,8 +36,6 @@
 // The <kty-specific parameters> are defined by the JWA spec:
 // http://tools.ietf.org/html/draft-ietf-jose-json-web-algorithms
 
-namespace content {
-
 namespace webcrypto {
 
 namespace {
@@ -618,5 +616,3 @@ Status GetWebCryptoUsagesFromJwkKeyOpsForTest(
 }
 
 }  // namespace webcrypto
-
-}  // namespace content