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

media/cast/sender/fake_software_video_encoder.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 "media/cast/sender/fake_software_video_encoder.h"
 
 #include "base/json/json_writer.h"
 #include "base/values.h"
 #include "media/base/video_frame.h"
 #include "media/cast/net/cast_transport_config.h"
@@ skipping 39 matching lines @@
   encoded_frame->rtp_timestamp =
       TimeDeltaToRtpDelta(video_frame->timestamp(), kVideoFrequency);
   encoded_frame->reference_time = reference_time;
 
   base::DictionaryValue values;
   values.SetBoolean("key",
                     encoded_frame->dependency == EncodedFrame::KEY);
   values.SetInteger("ref", encoded_frame->referenced_frame_id);
   values.SetInteger("id", encoded_frame->frame_id);
   values.SetInteger("size", frame_size_);
-  base::JSONWriter::Write(&values, &encoded_frame->data);
+  base::JSONWriter::Write(values, &encoded_frame->data);
   encoded_frame->data.resize(
       std::max<size_t>(encoded_frame->data.size(), frame_size_), ' ');
 }
 
 void FakeSoftwareVideoEncoder::UpdateRates(uint32 new_bitrate) {
   frame_size_ = new_bitrate / video_config_.max_frame_rate / 8;
 }
 
 void FakeSoftwareVideoEncoder::GenerateKeyFrame() {
   next_frame_is_key_ = true;
 }
 
 void FakeSoftwareVideoEncoder::LatestFrameIdToReference(uint32 frame_id) {
   frame_id_to_reference_ = frame_id;
 }
 
 }  // namespace cast
 }  // namespace media
 
 #endif