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

components/webcrypto/platform_crypto.h

Index: components/webcrypto/platform_crypto.h
diff --git a/content/child/webcrypto/platform_crypto.h b/components/webcrypto/platform_crypto.h
similarity index 87%
rename from content/child/webcrypto/platform_crypto.h
rename to components/webcrypto/platform_crypto.h
index 902c13e0db13c8873e588bd3780641df332e95a6..fdb8cef4a7184c47a08b583362bdcf1b9b7f4e41 100644
--- a/content/child/webcrypto/platform_crypto.h
+++ b/components/webcrypto/platform_crypto.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_PLATFORM_CRYPTO_H_
-#define CONTENT_CHILD_WEBCRYPTO_PLATFORM_CRYPTO_H_
+#ifndef COMPONENTS_WEBCRYPTO_PLATFORM_CRYPTO_H_
+#define COMPONENTS_WEBCRYPTO_PLATFORM_CRYPTO_H_
 
 #include <stdint.h>
 #include <vector>
@@ -12,8 +12,6 @@
 #include "third_party/WebKit/public/platform/WebCrypto.h"
 
 // The definitions for these methods lives in either nss/ or openssl/
-namespace content {
-
 namespace webcrypto {
 
 class AlgorithmImplementation;
@@ -39,6 +37,4 @@ AlgorithmImplementation* CreatePlatformPbkdf2Implementation();
 
 }  // namespace webcrypto
 
-}  // namespace content
-
-#endif  // CONTENT_CHILD_WEBCRYPTO_PLATFORM_CRYPTO_H_
+#endif  // COMPONENTS_WEBCRYPTO_PLATFORM_CRYPTO_H_