Require explicit selection of traits for LazyInstance

chromecast/media/cma/backend/alsa/stream_mixer_alsa.cc

 // Copyright 2015 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 "chromecast/media/cma/backend/alsa/stream_mixer_alsa.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <unordered_set>
@@ skipping 167 matching lines @@
 
 class StreamMixerAlsaInstance : public StreamMixerAlsa {
  public:
   StreamMixerAlsaInstance() {}
   ~StreamMixerAlsaInstance() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(StreamMixerAlsaInstance);
 };
 
-base::LazyInstance<StreamMixerAlsaInstance> g_mixer_instance =
+base::LazyInstance<StreamMixerAlsaInstance>::DestructorAtExit g_mixer_instance =
     LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 // static
 bool StreamMixerAlsa::single_threaded_for_test_ = false;
 
 // static
 StreamMixerAlsa* StreamMixerAlsa::Get() {
   return g_mixer_instance.Pointer();
@@ skipping 763 matching lines @@
   DCHECK(std::find(loopback_observers_.begin(), loopback_observers_.end(),
                    observer) != loopback_observers_.end());
   loopback_observers_.erase(std::remove(loopback_observers_.begin(),
                                         loopback_observers_.end(), observer),
                             loopback_observers_.end());
   observer->OnRemoved();
 }
 
 }  // namespace media
 }  // namespace chromecast