Replace the remaining scoped_ptr with unique_ptr in webrtc/modules/

webrtc/modules/congestion_controller/include/congestion_controller.h

Index: webrtc/modules/congestion_controller/include/congestion_controller.h
diff --git a/webrtc/modules/congestion_controller/include/congestion_controller.h b/webrtc/modules/congestion_controller/include/congestion_controller.h
index 13614f59769e9f80a9f8923f12d0c7b07da12e2c..96ff4b34d87580fe929519bcdc026f26a0329688 100644
--- a/webrtc/modules/congestion_controller/include/congestion_controller.h
+++ b/webrtc/modules/congestion_controller/include/congestion_controller.h
@@ -11,8 +11,9 @@
 #ifndef WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_CONGESTION_CONTROLLER_H_
 #define WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_CONGESTION_CONTROLLER_H_
 
+#include <memory>
+
 #include "webrtc/base/constructormagic.h"
-#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/modules/include/module.h"
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/modules/pacing/packet_router.h"
@@ -69,9 +70,9 @@ class CongestionController : public CallStatsObserver, public Module {
 
  private:
   Clock* const clock_;
-  const rtc::scoped_ptr<PacedSender> pacer_;
-  const rtc::scoped_ptr<RemoteBitrateEstimator> remote_bitrate_estimator_;
-  const rtc::scoped_ptr<BitrateController> bitrate_controller_;
+  const std::unique_ptr<PacedSender> pacer_;
+  const std::unique_ptr<RemoteBitrateEstimator> remote_bitrate_estimator_;
+  const std::unique_ptr<BitrateController> bitrate_controller_;
   PacketRouter packet_router_;
   RemoteEstimatorProxy remote_estimator_proxy_;
   TransportFeedbackAdapter transport_feedback_adapter_;