Replace scoped_ptr with unique_ptr in webrtc/video/

webrtc/video/overuse_frame_detector.cc

Index: webrtc/video/overuse_frame_detector.cc
diff --git a/webrtc/video/overuse_frame_detector.cc b/webrtc/video/overuse_frame_detector.cc
index 18c6b9e7edb451e19d672e7ce50eca47461b29ea..522a505594052abdf3481e020b86e46ba9c260f5 100644
--- a/webrtc/video/overuse_frame_detector.cc
+++ b/webrtc/video/overuse_frame_detector.cc
@@ -166,8 +166,8 @@ class OveruseFrameDetector::SendProcessingUsage {
   const float kMaxSampleDiffMs;
   uint64_t count_;
   const CpuOveruseOptions options_;
-  rtc::scoped_ptr<rtc::ExpFilter> filtered_processing_ms_;
-  rtc::scoped_ptr<rtc::ExpFilter> filtered_frame_diff_ms_;
+  std::unique_ptr<rtc::ExpFilter> filtered_processing_ms_;
+  std::unique_ptr<rtc::ExpFilter> filtered_frame_diff_ms_;
 };
 
 OveruseFrameDetector::OveruseFrameDetector(