Require explicit selection of traits for LazyInstance

chromecast/common/media/cast_media_client.h

 // Copyright 2016 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.
 
 #ifndef CHROMECAST_COMMON_MEDIA_CAST_MEDIA_CLIENT_H_
 #define CHROMECAST_COMMON_MEDIA_CAST_MEDIA_CLIENT_H_
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "chromecast/media/base/supported_codec_profile_levels_memo.h"
@@ skipping 17 matching lines @@
   bool IsKeySystemsUpdateNeeded() override;
   void AddSupportedKeySystems(
       std::vector<std::unique_ptr<::media::KeySystemProperties>>*
           key_systems_properties) override;
   void RecordRapporURL(const std::string& metric, const GURL& url) override;
   bool IsSupportedVideoConfig(::media::VideoCodec codec,
                               ::media::VideoCodecProfile profile,
                               int level) override;
 
  private:
-  friend struct base::DefaultLazyInstanceTraits<CastMediaClient>;
+  friend struct base::LazyInstanceTraitsBase<CastMediaClient>;
 
   CastMediaClient(::media::MediaClient* content_media_client,
                   SupportedCodecProfileLevelsMemo* supported_profiles);
   ~CastMediaClient() override;
 
   ::media::MediaClient* content_media_client_;
   SupportedCodecProfileLevelsMemo* supported_profiles_;
 
   DISALLOW_COPY_AND_ASSIGN(CastMediaClient);
 };
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_COMMON_MEDIA_CAST_MEDIA_CLIENT_H_