Convert //components/[a-e]* from scoped_ptr to std::unique_ptr

components/audio_modem/audio_player_impl.h

Index: components/audio_modem/audio_player_impl.h
diff --git a/components/audio_modem/audio_player_impl.h b/components/audio_modem/audio_player_impl.h
index 50f10bf98874eefec319033a774a82ba2f951926..3507c699d0abcc14164981c5a7fabbe4433b1ca1 100644
--- a/components/audio_modem/audio_player_impl.h
+++ b/components/audio_modem/audio_player_impl.h
@@ -7,6 +7,7 @@
 
 #include <stdint.h>
 
+#include <memory>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
@@ -70,7 +71,7 @@ class AudioPlayerImpl final
   // Self-deleting object.
   media::AudioOutputStream* stream_;
 
-  scoped_ptr<media::AudioOutputStream> output_stream_for_testing_;
+  std::unique_ptr<media::AudioOutputStream> output_stream_for_testing_;
 
   // All fields below here are protected by this lock.
   base::Lock state_lock_;