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

content/child/webcrypto/shared_crypto.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/shared_crypto.h"
 
 #include "base/logging.h"
 #include "content/child/webcrypto/crypto_data.h"
 #include "content/child/webcrypto/platform_crypto.h"
 #include "content/child/webcrypto/webcrypto_util.h"
@@ skipping 266 matching lines @@
     default:
       return Status::ErrorUnsupported();
   }
 }
 
 Status Digest(const blink::WebCryptoAlgorithm& algorithm,
               const CryptoData& data,
               blink::WebArrayBuffer* buffer) {
   switch (algorithm.id()) {
     case blink::WebCryptoAlgorithmIdSha1:
-    case blink::WebCryptoAlgorithmIdSha224:
     case blink::WebCryptoAlgorithmIdSha256:
     case blink::WebCryptoAlgorithmIdSha384:
     case blink::WebCryptoAlgorithmIdSha512:
       return platform::DigestSha(algorithm.id(), data, buffer);
     default:
       return Status::ErrorUnsupported();
   }
 }
 
 Status GenerateSecretKey(const blink::WebCryptoAlgorithm& algorithm,
@@ skipping 268 matching lines @@
                                          key);
     }
     default:
       return Status::ErrorUnsupported();
   }
 }
 
 }  // namespace webcrypto
 
 }  // namespace content