Replace scoped_ptr with unique_ptr in webrtc/modules/video_coding/

webrtc/modules/video_coding/media_opt_util.h

Index: webrtc/modules/video_coding/media_opt_util.h
diff --git a/webrtc/modules/video_coding/media_opt_util.h b/webrtc/modules/video_coding/media_opt_util.h
index a016a03eab303b8766df176945840590fcb9df0e..6b47e3b2d99e02e73965f56cf1bdcca9af7268a1 100644
--- a/webrtc/modules/video_coding/media_opt_util.h
+++ b/webrtc/modules/video_coding/media_opt_util.h
@@ -14,8 +14,9 @@
 #include <math.h>
 #include <stdlib.h>
 
+#include <memory>
+
 #include "webrtc/base/exp_filter.h"
-#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/modules/video_coding/internal_defines.h"
 #include "webrtc/modules/video_coding/qm_select.h"
 #include "webrtc/system_wrappers/include/trace.h"
@@ -333,7 +334,7 @@ class VCMLossProtectionLogic {
   // Sets the available loss protection methods.
   void UpdateMaxLossHistory(uint8_t lossPr255, int64_t now);
   uint8_t MaxFilteredLossPr(int64_t nowMs) const;
-  rtc::scoped_ptr<VCMProtectionMethod> _selectedMethod;
+  std::unique_ptr<VCMProtectionMethod> _selectedMethod;
   VCMProtectionParameters _currentParameters;
   int64_t _rtt;
   float _lossPr;