Convert //media/audio from scoped_ptr to std::unique_ptr

media/audio/fake_audio_log_factory.cc

Index: media/audio/fake_audio_log_factory.cc
diff --git a/media/audio/fake_audio_log_factory.cc b/media/audio/fake_audio_log_factory.cc
index fd5cf4580dca2081056ec4bfbe224205fd948aa8..96e8b5bd9ba0dbe4462ed13c5e4f088454fec24f 100644
--- a/media/audio/fake_audio_log_factory.cc
+++ b/media/audio/fake_audio_log_factory.cc
@@ -6,6 +6,8 @@
 
 #include <string>
 
+#include "base/memory/ptr_util.h"
+
 namespace media {
 
 class FakeAudioLogImpl : public AudioLog {
@@ -27,9 +29,9 @@ class FakeAudioLogImpl : public AudioLog {
 FakeAudioLogFactory::FakeAudioLogFactory() {}
 FakeAudioLogFactory::~FakeAudioLogFactory() {}
 
-scoped_ptr<AudioLog> FakeAudioLogFactory::CreateAudioLog(
+std::unique_ptr<AudioLog> FakeAudioLogFactory::CreateAudioLog(
     AudioComponent component) {
-  return scoped_ptr<AudioLog>(new FakeAudioLogImpl());
+  return base::WrapUnique(new FakeAudioLogImpl());
 }
 
 }  // namespace media