Fix silent truncations when extracting values from CheckedNumeric

components/webcrypto/algorithms/aes_ctr.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 <stddef.h>
 #include <stdint.h>
 #include <string.h>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 148 matching lines @@
   // expects buffer sizes as an "int".
   base::CheckedNumeric<int> output_max_len = data.byte_length();
   if (!output_max_len.IsValid())
     return Status::ErrorDataTooLarge();
 
   const EVP_CIPHER* const cipher = GetAESCipherByKeyLength(raw_key.size());
   if (!cipher)
     return Status::ErrorUnexpected();
 
   const CryptoData counter_block(params->counter());
-  buffer->resize(output_max_len.ValueOrDie());
+  buffer->resize(base::ValueOrDieForType<size_t>(output_max_len));
 
   // The total number of possible counter values is pow(2, counter_length_bits)
   bssl::UniquePtr<BIGNUM> num_counter_values(BN_new());
   if (!BN_lshift(num_counter_values.get(), BN_value_one(), counter_length_bits))
     return Status::ErrorUnexpected();
 
   bssl::UniquePtr<BIGNUM> current_counter =
       GetCounter(counter_block, counter_length_bits);
 
   // The number of AES blocks needed for encryption/decryption. The counter is
@@ skipping 74 matching lines @@
   }
 };
 
 }  // namespace
 
 std::unique_ptr<AlgorithmImplementation> CreateAesCtrImplementation() {
   return base::WrapUnique(new AesCtrImplementation);
 }
 
 }  // namespace webcrypto