Replace scoped_ptr with unique_ptr in webrtc/modules/audio_coding/

webrtc/modules/audio_coding/acm2/acm_receive_test_oldapi.h

Index: webrtc/modules/audio_coding/acm2/acm_receive_test_oldapi.h
diff --git a/webrtc/modules/audio_coding/acm2/acm_receive_test_oldapi.h b/webrtc/modules/audio_coding/acm2/acm_receive_test_oldapi.h
index 3010ec72b16f801386b71a02d1a6936cd44fb0b6..69526414ac0506893431223598d10d6a627711a5 100644
--- a/webrtc/modules/audio_coding/acm2/acm_receive_test_oldapi.h
+++ b/webrtc/modules/audio_coding/acm2/acm_receive_test_oldapi.h
@@ -11,10 +11,10 @@
 #ifndef WEBRTC_MODULES_AUDIO_CODING_ACM2_ACM_RECEIVE_TEST_OLDAPI_H_
 #define WEBRTC_MODULES_AUDIO_CODING_ACM2_ACM_RECEIVE_TEST_OLDAPI_H_
 
+#include <memory>
 #include <string>
 
 #include "webrtc/base/constructormagic.h"
-#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/system_wrappers/include/clock.h"
 
 namespace webrtc {
@@ -61,7 +61,7 @@ class AcmReceiveTestOldApi {
   virtual void AfterGetAudio() {}
 
   SimulatedClock clock_;
-  rtc::scoped_ptr<AudioCodingModule> acm_;
+  std::unique_ptr<AudioCodingModule> acm_;
   PacketSource* packet_source_;
   AudioSink* audio_sink_;
   int output_freq_hz_;