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

components/webcrypto/algorithm_registry.h

Index: components/webcrypto/algorithm_registry.h
diff --git a/content/child/webcrypto/algorithm_registry.h b/components/webcrypto/algorithm_registry.h
similarity index 79%
rename from content/child/webcrypto/algorithm_registry.h
rename to components/webcrypto/algorithm_registry.h
index 6db5f5f56dd42bbcb4cf95ea2c3e9cfcd854ccfc..9b562d4b514e142c2300c85b4a6b6d4690375d32 100644
--- a/content/child/webcrypto/algorithm_registry.h
+++ b/components/webcrypto/algorithm_registry.h
@@ -2,13 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_CHILD_WEBCRYPTO_ALGORITHM_REGISTRY_H_
-#define CONTENT_CHILD_WEBCRYPTO_ALGORITHM_REGISTRY_H_
+#ifndef COMPONENTS_WEBCRYPTO_ALGORITHM_REGISTRY_H_
+#define COMPONENTS_WEBCRYPTO_ALGORITHM_REGISTRY_H_
 
 #include "third_party/WebKit/public/platform/WebCrypto.h"
 
-namespace content {
-
 namespace webcrypto {
 
 class AlgorithmImplementation;
@@ -27,6 +25,4 @@ Status GetAlgorithmImplementation(blink::WebCryptoAlgorithmId id,
 
 }  // namespace webcrypto
 
-}  // namespace content
-
-#endif  // CONTENT_CHILD_WEBCRYPTO_ALGORITHM_REGISTRY_H_
+#endif  // COMPONENTS_WEBCRYPTO_ALGORITHM_REGISTRY_H_