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

components/webcrypto/webcrypto_impl.cc

Index: components/webcrypto/webcrypto_impl.cc
diff --git a/content/child/webcrypto/webcrypto_impl.cc b/components/webcrypto/webcrypto_impl.cc
similarity index 98%
rename from content/child/webcrypto/webcrypto_impl.cc
rename to components/webcrypto/webcrypto_impl.cc
index 3270fbc006398b1e38669f75550be8e2b5007d2a..6ea76539da6dd37cdbda3ce07874a0c48fcebcaf 100644
--- a/content/child/webcrypto/webcrypto_impl.cc
+++ b/components/webcrypto/webcrypto_impl.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/webcrypto_impl.h"
+#include "components/webcrypto/webcrypto_impl.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
@@ -15,15 +15,15 @@
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/threading/worker_pool.h"
-#include "content/child/webcrypto/algorithm_dispatch.h"
-#include "content/child/webcrypto/crypto_data.h"
-#include "content/child/webcrypto/generate_key_result.h"
-#include "content/child/webcrypto/status.h"
-#include "content/child/webcrypto/webcrypto_util.h"
+#include "components/webcrypto/algorithm_dispatch.h"
+#include "components/webcrypto/crypto_data.h"
+#include "components/webcrypto/generate_key_result.h"
+#include "components/webcrypto/status.h"
+#include "components/webcrypto/webcrypto_util.h"
 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
-namespace content {
+namespace webcrypto {
 
 using webcrypto::Status;
 
@@ -788,4 +788,4 @@ bool WebCryptoImpl::serializeKeyForClone(
   return webcrypto::SerializeKeyForClone(key, &key_data);
 }
 
-}  // namespace content
+}  // namespace webcrypto