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

components/webcrypto/openssl/rsa_sign_openssl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/numerics/safe_math.h"
 #include "base/stl_util.h"
-#include "content/child/webcrypto/crypto_data.h"
-#include "content/child/webcrypto/openssl/key_openssl.h"
-#include "content/child/webcrypto/openssl/rsa_sign_openssl.h"
-#include "content/child/webcrypto/openssl/util_openssl.h"
-#include "content/child/webcrypto/status.h"
+#include "components/webcrypto/crypto_data.h"
+#include "components/webcrypto/openssl/key_openssl.h"
+#include "components/webcrypto/openssl/rsa_sign_openssl.h"
+#include "components/webcrypto/openssl/util_openssl.h"
+#include "components/webcrypto/status.h"
 #include "crypto/openssl_util.h"
 #include "crypto/scoped_openssl_types.h"
 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
 
-namespace content {
-
 namespace webcrypto {
 
 namespace {
 
 // Extracts the OpenSSL key and digest from a WebCrypto key. The returned
 // pointers will remain valid as long as |key| is alive.
 Status GetPKeyAndDigest(const blink::WebCryptoKey& key,
                         EVP_PKEY** pkey,
                         const EVP_MD** digest) {
   *pkey = AsymKeyOpenSsl::Cast(key)->key();
@@ skipping 111 matching lines @@
 
   if (!EVP_DigestVerifyUpdate(ctx.get(), data.bytes(), data.byte_length()))
     return Status::OperationError();
 
   *signature_match = 1 == EVP_DigestVerifyFinal(ctx.get(), signature.bytes(),
                                                 signature.byte_length());
   return Status::Success();
 }
 
 }  // namespace webcrypto
-
-}  // namespace content