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

components/webcrypto/test/test_helpers.h

Index: components/webcrypto/test/test_helpers.h
diff --git a/content/child/webcrypto/test/test_helpers.h b/components/webcrypto/test/test_helpers.h
similarity index 97%
rename from content/child/webcrypto/test/test_helpers.h
rename to components/webcrypto/test/test_helpers.h
index 4d9da49c4d4cbd3a9ae1e4ed25a19c191f9e76e1..77fe07537de492563f9423cb9a2453b5eaa1e45f 100644
--- a/content/child/webcrypto/test/test_helpers.h
+++ b/components/webcrypto/test/test_helpers.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_CHILD_WEBCRYPTO_TEST_TEST_HELPERS_H_
-#define CONTENT_CHILD_WEBCRYPTO_TEST_TEST_HELPERS_H_
+#ifndef COMPONENTS_WEBCRYPTO_TEST_TEST_HELPERS_H_
+#define COMPONENTS_WEBCRYPTO_TEST_TEST_HELPERS_H_
 
 #include <ostream>
 #include <string>
@@ -30,8 +30,6 @@ namespace blink {
 class WebCryptoAlgorithm;
 }
 
-namespace content {
-
 namespace webcrypto {
 
 class Status;
@@ -209,4 +207,4 @@ blink::WebCryptoNamedCurve GetCurveNameFromDictionary(
 
 }  // namesapce content
 
-#endif  // CONTENT_CHILD_WEBCRYPTO_TEST_TEST_HELPERS_H_
+#endif  // COMPONENTS_WEBCRYPTO_TEST_TEST_HELPERS_H_