[webcrypto] Remove support for null import algorithms.

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 122 matching lines @@
 Status Status::ErrorInvalidAesKwDataLength() {
   return Status(
       "The AES-KW input data length is invalid: not a multiple of 8 "
       "bytes");
 }
 
 Status Status::ErrorGenerateKeyPublicExponent() {
   return Status("The \"publicExponent\" is either empty, zero, or too large");
 }
 
-Status Status::ErrorMissingAlgorithmImportRawKey() {
-  return Status(
-      "The key's algorithm must be specified when importing "
-      "raw-formatted key.");
-}
-
-Status Status::ErrorMissingAlgorithmUnwrapRawKey() {
-  return Status(
-      "The key's algorithm must be specified when unwrapping a "
-      "raw-formatted key.");
-}
-
 Status Status::ErrorImportRsaEmptyModulus() {
   return Status("The modulus is empty");
 }
 
 Status Status::ErrorGenerateRsaZeroModulus() {
   return Status("The modulus bit length cannot be zero");
 }
 
 Status Status::ErrorImportRsaEmptyExponent() {
   return Status("No bytes for the exponent were provided");
@@ skipping 143 matching lines @@
           new blink::WebCryptoAesKeyAlgorithmParams(keylen_bytes * 8));
       return true;
     default:
       return false;
   }
 }
 
 }  // namespace webcrypto
 
 }  // namespace content