Convert implicit scoped_refptr constructor calls to explicit ones, part 2

remoting/base/tracer.cc

 // Copyright (c) 2010 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 "remoting/base/tracer.h"
 
 #include <list>
 
 #include "base/basictypes.h"
 #include "base/condition_variable.h"
@@ skipping 154 matching lines @@
     Singleton<base::ThreadLocalPointer<TraceContext> >::get()->Set(context);
   }
   return context;
 }
 
 TraceContext::TraceContext() {}
 
 TraceContext::~TraceContext() {}
 
 void TraceContext::PushTracerInternal(Tracer* tracer) {
-  tracers_.push_back(tracer);
+  tracers_.push_back(make_scoped_refptr(tracer));
 }
 
 void TraceContext::PopTracerInternal() { tracers_.pop_back(); }
 
 Tracer* TraceContext::GetTracerInternal() { return tracers_.back(); }
 
 
 }  // namespace remoting
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(remoting::OutputLogger);