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

chromeos/network/network_state_handler.cc

 // Copyright (c) 2012 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 "chromeos/network/network_state_handler.h"
 
 #include "base/bind.h"
 #include "base/format_macros.h"
 #include "base/guid.h"
 #include "base/json/json_string_value_serializer.h"
@@ skipping 38 matching lines @@
 std::string GetLogName(const ManagedState* state) {
   if (!state)
     return "None";
   return base::StringPrintf("%s (%s)", state->name().c_str(),
                             state->path().c_str());
 }
 
 std::string ValueAsString(const base::Value& value) {
   std::string vstr;
   base::JSONWriter::WriteWithOptions(
-      &value, base::JSONWriter::OPTIONS_OMIT_BINARY_VALUES, &vstr);
+      value, base::JSONWriter::OPTIONS_OMIT_BINARY_VALUES, &vstr);
   return vstr.empty() ? "''" : vstr;
 }
 
 }  // namespace
 
 const char NetworkStateHandler::kDefaultCheckPortalList[] =
     "ethernet,wifi,cellular";
 
 NetworkStateHandler::NetworkStateHandler() : network_list_sorted_(false) {
 }
@@ skipping 914 matching lines @@
   if (type.MatchesType(shill::kTypeBluetooth))
     technologies.push_back(new std::string(shill::kTypeBluetooth));
   if (type.MatchesType(shill::kTypeVPN))
     technologies.push_back(new std::string(shill::kTypeVPN));
 
   CHECK_GT(technologies.size(), 0ul);
   return technologies.Pass();
 }
 
 }  // namespace chromeos