[refactor] Rename the webcrypto/openssl and webcrypto/test directories.

components/webcrypto/platform_crypto.h

 // 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.
 
 #ifndef COMPONENTS_WEBCRYPTO_PLATFORM_CRYPTO_H_
 #define COMPONENTS_WEBCRYPTO_PLATFORM_CRYPTO_H_
 
 #include <stdint.h>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "third_party/WebKit/public/platform/WebCrypto.h"
 
-// The definitions for these methods live in openssl/
+// The definitions for these methods live in the algorithms/ directory.
 namespace webcrypto {
 
 class AlgorithmImplementation;
 
 void PlatformInit();
 
 scoped_ptr<blink::WebCryptoDigestor> CreatePlatformDigestor(
     blink::WebCryptoAlgorithmId algorithm);
 
+// TODO(eroman): Return scoped_ptr.
+// TODO(eroman): Stop calling this "platform" now that BoringSSL is the only
+// implementation.
 AlgorithmImplementation* CreatePlatformShaImplementation();
 AlgorithmImplementation* CreatePlatformAesCbcImplementation();
 AlgorithmImplementation* CreatePlatformAesCtrImplementation();
 AlgorithmImplementation* CreatePlatformAesGcmImplementation();
 AlgorithmImplementation* CreatePlatformAesKwImplementation();
 AlgorithmImplementation* CreatePlatformHmacImplementation();
 AlgorithmImplementation* CreatePlatformRsaOaepImplementation();
 AlgorithmImplementation* CreatePlatformRsaSsaImplementation();
 AlgorithmImplementation* CreatePlatformRsaPssImplementation();
 AlgorithmImplementation* CreatePlatformEcdsaImplementation();
 AlgorithmImplementation* CreatePlatformEcdhImplementation();
 AlgorithmImplementation* CreatePlatformHkdfImplementation();
 AlgorithmImplementation* CreatePlatformPbkdf2Implementation();
 
 }  // namespace webcrypto
 
 #endif  // COMPONENTS_WEBCRYPTO_PLATFORM_CRYPTO_H_