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

net/log/trace_net_log_observer.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 "net/log/trace_net_log_observer.h"
 
 #include <stdio.h>
 
 #include <string>
 
@@ skipping 14 matching lines @@
 class TracedValue : public base::trace_event::ConvertableToTraceFormat {
  public:
   explicit TracedValue(scoped_ptr<base::Value> value) : value_(value.Pass()) {}
 
  private:
   ~TracedValue() override {}
 
   void AppendAsTraceFormat(std::string* out) const override {
     if (value_) {
       std::string tmp;
-      base::JSONWriter::Write(value_.get(), &tmp);
+      base::JSONWriter::Write(*value_, &tmp);
       *out += tmp;
     } else {
       *out += "\"\"";
     }
   }
 
  private:
   scoped_ptr<base::Value> value_;
 };
 
@@ skipping 56 matching lines @@
 void TraceNetLogObserver::OnTraceLogEnabled() {
   net_log_to_watch_->DeprecatedAddObserver(this, NetLogCaptureMode::Default());
 }
 
 void TraceNetLogObserver::OnTraceLogDisabled() {
   if (net_log())
     net_log()->DeprecatedRemoveObserver(this);
 }
 
 }  // namespace net