[webcrypto] Remove support for SHA-224 (CL 2 or 3).

content/child/webcrypto/platform_crypto_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 "content/child/webcrypto/platform_crypto.h"
 
 #include <vector>
 #include <openssl/aes.h>
 #include <openssl/evp.h>
 #include <openssl/hmac.h>
@@ skipping 45 matching lines @@
       return EVP_aes_256_cbc();
     default:
       return NULL;
   }
 }
 
 const EVP_MD* GetDigest(blink::WebCryptoAlgorithmId id) {
   switch (id) {
     case blink::WebCryptoAlgorithmIdSha1:
       return EVP_sha1();
-    case blink::WebCryptoAlgorithmIdSha224:
-      return EVP_sha224();
     case blink::WebCryptoAlgorithmIdSha256:
       return EVP_sha256();
     case blink::WebCryptoAlgorithmIdSha384:
       return EVP_sha384();
     case blink::WebCryptoAlgorithmIdSha512:
       return EVP_sha512();
     default:
       return NULL;
   }
 }
@@ skipping 325 matching lines @@
                          blink::WebCryptoKey* key) {
   // TODO(eroman): http://crbug.com/267888
   return Status::ErrorUnsupported();
 }
 
 }  // namespace platform
 
 }  // namespace webcrypto
 
 }  // namespace content