[WebCrypto] Throw OperationError instead of NotSupportedError when AES length is 192 and RSA modulu…

content/test/data/webcrypto/aes_cbc.json

 [
   // F.2.1 (CBC-AES128.Encrypt)
   // http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
   {
     "key_format": "raw",
     "key": "2b7e151628aed2a6abf7158809cf4f3c",
     "iv": "000102030405060708090a0b0c0d0e0f",
     "plain_text": "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710",
     // Added a padding block: encryption of {0x10, 0x10, ... 0x10}) (not given by the
     // NIST test vector)
@@ skipping 294 matching lines @@
       "alg": "A128CBC",
       "k": "dGhpcyAgaXMgIDI0ICBieXRlcyBsb25n"
     },
     "import_error": "DataError: The JWK \"k\" member did not include the right length of key data for the given algorithm."
   },
 
   // AES 192-bit is not allowed: http://crbug.com/381829
   {
     "key_format": "raw",
     "key": "5377656574205369787465656e2049560000000000000000",
-    "import_error": "NotSupported: 192-bit AES keys are not supported"
+    "import_error": "OperationError: 192-bit AES keys are not supported"
   },
 
   // JWK: AES 192-bit is not allowed: http://crbug.com/381829
   {
     "key_format": "jwk",
     "key": {
       "kty": "oct",
       "alg": "A192CBC",
       "k": "YWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFh"
     },
-    "import_error": "NotSupported: 192-bit AES keys are not supported"
+    "import_error": "OperationError: 192-bit AES keys are not supported"
   }
 ]