Convert JsonWriter::Write to taking a const ref for the in-param

components/webcrypto/jwk.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/jwk.h"
 
 #include <set>
 
 #include "base/base64.h"
 #include "base/json/json_reader.h"
@@ skipping 351 matching lines @@
 
 void JwkWriter::SetBytes(const std::string& member_name,
                          const CryptoData& value) {
   dict_.SetString(member_name, Base64EncodeUrlSafe(base::StringPiece(
                                    reinterpret_cast<const char*>(value.bytes()),
                                    value.byte_length())));
 }
 
 void JwkWriter::ToJson(std::vector<uint8_t>* utf8_bytes) const {
   std::string json;
-  base::JSONWriter::Write(&dict_, &json);
+  base::JSONWriter::Write(dict_, &json);
   utf8_bytes->assign(json.begin(), json.end());
 }
 
 Status ReadSecretKeyNoExpectedAlg(const CryptoData& key_data,
                                   bool expected_extractable,
                                   blink::WebCryptoKeyUsageMask expected_usages,
                                   std::vector<uint8_t>* raw_key_data,
                                   JwkReader* jwk) {
   Status status = jwk->Init(key_data, expected_extractable, expected_usages,
                             "oct", std::string());
@@ skipping 226 matching lines @@
   return Base64EncodeUrlSafe(string_piece);
 }
 
 Status GetWebCryptoUsagesFromJwkKeyOpsForTest(
     const base::ListValue* key_ops,
     blink::WebCryptoKeyUsageMask* usages) {
   return GetWebCryptoUsagesFromJwkKeyOps(key_ops, usages);
 }
 
 }  // namespace webcrypto