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

content/browser/geolocation/network_location_provider_unittest.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 "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 173 matching lines @@
     pos.latitude = id;
     pos.longitude = -(id + 1);
     pos.altitude = 2 * id;
     pos.timestamp = base::Time::Now();
     return pos;
   }
 
   static std::string PrettyJson(const base::Value& value) {
     std::string pretty;
     base::JSONWriter::WriteWithOptions(
-        &value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &pretty);
+        value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &pretty);
     return pretty;
   }
 
   static testing::AssertionResult JsonGetList(
       const std::string& field,
       const base::DictionaryValue& dict,
       const base::ListValue** output_list) {
     if (!dict.GetList(field, output_list))
       return testing::AssertionFailure() << "Dictionary " << PrettyJson(dict)
                                          << " is missing list field " << field;
@@ skipping 343 matching lines @@
       EXPECT_TRUE(cache.FindPosition(CreateReferenceWifiScanData(1)));
     } else {
       const int evicted = i - kCacheSize;
       EXPECT_FALSE(cache.FindPosition(CreateReferenceWifiScanData(evicted)));
       EXPECT_TRUE(cache.FindPosition(CreateReferenceWifiScanData(evicted + 1)));
     }
   }
 }
 
 }  // namespace content