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

content/child/webcrypto/webcrypto_util.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/webcrypto_util.h"
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h"
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
@@ skipping 203 matching lines @@
 bool Base64DecodeUrlSafe(const std::string& input, std::string* output) {
   std::string base64EncodedText(input);
   std::replace(base64EncodedText.begin(), base64EncodedText.end(), '-', '+');
   std::replace(base64EncodedText.begin(), base64EncodedText.end(), '_', '/');
   base64EncodedText.append((4 - base64EncodedText.size() % 4) % 4, '=');
   return base::Base64Decode(base64EncodedText, output);
 }
 
 bool IsHashAlgorithm(blink::WebCryptoAlgorithmId alg_id) {
   return alg_id == blink::WebCryptoAlgorithmIdSha1 ||
-         alg_id == blink::WebCryptoAlgorithmIdSha224 ||
          alg_id == blink::WebCryptoAlgorithmIdSha256 ||
          alg_id == blink::WebCryptoAlgorithmIdSha384 ||
          alg_id == blink::WebCryptoAlgorithmIdSha512;
 }
 
 blink::WebCryptoAlgorithm GetInnerHashAlgorithm(
     const blink::WebCryptoAlgorithm& algorithm) {
   DCHECK(!algorithm.isNull());
   switch (algorithm.paramsType()) {
     case blink::WebCryptoAlgorithmParamsTypeHmacImportParams:
@@ skipping 33 matching lines @@
     blink::WebCryptoAlgorithmId hash_id) {
   DCHECK(IsHashAlgorithm(hash_id));
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
       blink::WebCryptoAlgorithmIdRsaOaep,
       new blink::WebCryptoRsaHashedImportParams(CreateAlgorithm(hash_id)));
 }
 
 unsigned int ShaBlockSizeBytes(blink::WebCryptoAlgorithmId hash_id) {
   switch (hash_id) {
     case blink::WebCryptoAlgorithmIdSha1:
-    case blink::WebCryptoAlgorithmIdSha224:
     case blink::WebCryptoAlgorithmIdSha256:
       return 64;
     case blink::WebCryptoAlgorithmIdSha384:
     case blink::WebCryptoAlgorithmIdSha512:
       return 128;
     default:
       NOTREACHED();
       return 0;
   }
 }
@@ skipping 19 matching lines @@
           new blink::WebCryptoAesKeyAlgorithmParams(keylen_bytes * 8));
       return true;
     default:
       return false;
   }
 }
 
 }  // namespace webcrypto
 
 }  // namespace content