Replace scoped_ptr with unique_ptr in webrtc/modules/audio_coding/test/

webrtc/modules/audio_coding/test/APITest.h

Index: webrtc/modules/audio_coding/test/APITest.h
diff --git a/webrtc/modules/audio_coding/test/APITest.h b/webrtc/modules/audio_coding/test/APITest.h
index a1937c2b006c385d8bfc64aa66e773e232fa9f0a..af2a3a15d4a8717d863d2481586171c21895ce15 100644
--- a/webrtc/modules/audio_coding/test/APITest.h
+++ b/webrtc/modules/audio_coding/test/APITest.h
@@ -11,7 +11,8 @@
 #ifndef WEBRTC_MODULES_AUDIO_CODING_TEST_APITEST_H_
 #define WEBRTC_MODULES_AUDIO_CODING_TEST_APITEST_H_
 
-#include "webrtc/base/scoped_ptr.h"
+#include <memory>
+
 #include "webrtc/modules/audio_coding/include/audio_coding_module.h"
 #include "webrtc/modules/audio_coding/test/ACMTest.h"
 #include "webrtc/modules/audio_coding/test/Channel.h"
@@ -82,8 +83,8 @@ class APITest : public ACMTest {
   bool APIRunB();
 
   //--- ACMs
-  rtc::scoped_ptr<AudioCodingModule> _acmA;
-  rtc::scoped_ptr<AudioCodingModule> _acmB;
+  std::unique_ptr<AudioCodingModule> _acmA;
+  std::unique_ptr<AudioCodingModule> _acmB;
 
   //--- Channels
   Channel* _channel_A2B;