Switch to standard integer types in components/, part 4 of 4.

components/webcrypto/algorithms/hmac_unittest.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 "base/logging.h"
 #include "base/values.h"
 #include "components/webcrypto/algorithm_dispatch.h"
 #include "components/webcrypto/algorithms/test_helpers.h"
 #include "components/webcrypto/crypto_data.h"
 #include "components/webcrypto/status.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h"
 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
 
@@ skipping 577 matching lines @@
   // On export the last 4 bits has been set to zero.
   std::vector<uint8_t> raw_key;
   EXPECT_EQ(Status::Success(),
             ExportKey(blink::WebCryptoKeyFormatRaw, key, &raw_key));
   EXPECT_BYTES_EQ(HexStringToBytes("b1f0"), raw_key);
 }
 
 }  // namespace
 
 }  // namespace webcrypto