Raise an error when calling WebCrypto's deriveBits() for HKDF with

components/webcrypto/status.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 "components/webcrypto/status.h"
 
 #include "base/format_macros.h"
 #include "base/strings/stringprintf.h"
 
 namespace webcrypto {
@@ skipping 313 matching lines @@
                     "Length specified for ECDH key derivation is too large. "
                     "Maximum allowed is %u bits",
                     max_length_bits));
 }
 
 Status Status::ErrorHkdfLengthTooLong() {
   return Status(blink::kWebCryptoErrorTypeOperation,
                 "The length provided for HKDF is too large.");
 }
 
+Status Status::ErrorHkdfLengthNotWholeByte() {
+  return Status(blink::kWebCryptoErrorTypeOperation,
+                "The length provided for HKDF is not a multiple of 8 bits.");
+}
+
 Status Status::ErrorHkdfDeriveBitsLengthNotSpecified() {
   // TODO(nharper): The spec might change so that an OperationError should be
   // thrown here instead of a TypeError.
   // (https://www.w3.org/Bugs/Public/show_bug.cgi?id=27771)
   return Status(blink::kWebCryptoErrorTypeType,
                 "No length was specified for the HKDF Derive Bits operation.");
 }
 
 Status Status::ErrorPbkdf2InvalidLength() {
   return Status(
@@ skipping 27 matching lines @@
                const std::string& error_details_utf8)
     : type_(TYPE_ERROR),
       error_type_(error_type),
       error_details_(error_details_utf8) {
 }
 
 Status::Status(Type type) : type_(type) {
 }
 
 }  // namespace webcrypto