[refactor] Remove IsHashAlgorithm() function.

BUG=245025

Review URL: https://codereview.chromium.org/274863003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@270204 0039d316-1c4b-4281-b951-d872f2087c98

content/child/webcrypto/shared_crypto_unittest.cc

@@ -126,7 +126,7 @@ blink::WebCryptoAlgorithm CreateRsaHashedKeyGenAlgorithm(
     const std::vector<uint8>& public_exponent) {
   DCHECK(algorithm_id == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 ||
          algorithm_id == blink::WebCryptoAlgorithmIdRsaOaep);
-  DCHECK(IsHashAlgorithm(hash_id));
+  DCHECK(blink::WebCryptoAlgorithm::isHash(hash_id));
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
       algorithm_id,
       new blink::WebCryptoRsaHashedKeyGenParams(
@@ -166,7 +166,7 @@ blink::WebCryptoAlgorithm CreateAesGcmAlgorithm(
 blink::WebCryptoAlgorithm CreateHmacKeyGenAlgorithm(
     blink::WebCryptoAlgorithmId hash_id,
     unsigned int key_length_bits) {
-  DCHECK(IsHashAlgorithm(hash_id));
+  DCHECK(blink::WebCryptoAlgorithm::isHash(hash_id));
   // key_length_bytes == 0 means unspecified
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
       blink::WebCryptoAlgorithmIdHmac,

content/child/webcrypto/webcrypto_util.cc

@@ -114,13 +114,6 @@ base::ListValue* CreateJwkKeyOpsFromWebCryptoUsages(
   return jwk_key_ops;
 }
 
-bool IsHashAlgorithm(blink::WebCryptoAlgorithmId alg_id) {
-  return alg_id == blink::WebCryptoAlgorithmIdSha1 ||
-         alg_id == blink::WebCryptoAlgorithmIdSha256 ||
-         alg_id == blink::WebCryptoAlgorithmIdSha384 ||
-         alg_id == blink::WebCryptoAlgorithmIdSha512;
-}
-
 blink::WebCryptoAlgorithm GetInnerHashAlgorithm(
     const blink::WebCryptoAlgorithm& algorithm) {
   DCHECK(!algorithm.isNull());
@@ -144,7 +137,7 @@ blink::WebCryptoAlgorithm CreateAlgorithm(blink::WebCryptoAlgorithmId id) {
 
 blink::WebCryptoAlgorithm CreateHmacImportAlgorithm(
     blink::WebCryptoAlgorithmId hash_id) {
-  DCHECK(IsHashAlgorithm(hash_id));
+  DCHECK(blink::WebCryptoAlgorithm::isHash(hash_id));
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
       blink::WebCryptoAlgorithmIdHmac,
       new blink::WebCryptoHmacImportParams(CreateAlgorithm(hash_id)));
@@ -153,7 +146,7 @@ blink::WebCryptoAlgorithm CreateHmacImportAlgorithm(
 blink::WebCryptoAlgorithm CreateRsaHashedImportAlgorithm(
     blink::WebCryptoAlgorithmId id,
     blink::WebCryptoAlgorithmId hash_id) {
-  DCHECK(IsHashAlgorithm(hash_id));
+  DCHECK(blink::WebCryptoAlgorithm::isHash(hash_id));
   DCHECK(id == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 ||
          id == blink::WebCryptoAlgorithmIdRsaOaep);
   return blink::WebCryptoAlgorithm::adoptParamsAndCreate(

content/child/webcrypto/webcrypto_util.h

@@ -46,8 +46,6 @@ CONTENT_EXPORT Status GetWebCryptoUsagesFromJwkKeyOps(
 base::ListValue* CreateJwkKeyOpsFromWebCryptoUsages(
     blink::WebCryptoKeyUsageMask usage_mask);
 
-CONTENT_EXPORT bool IsHashAlgorithm(blink::WebCryptoAlgorithmId alg_id);
-
 // Returns the "hash" param for an algorithm if it exists, otherwise returns
 // a null algorithm.
 blink::WebCryptoAlgorithm GetInnerHashAlgorithm(