Replace scoped_ptr with unique_ptr in webrtc/modules/video_coding/

webrtc/modules/video_coding/video_coding_impl.cc

Index: webrtc/modules/video_coding/video_coding_impl.cc
diff --git a/webrtc/modules/video_coding/video_coding_impl.cc b/webrtc/modules/video_coding/video_coding_impl.cc
index 7f74b4162f26764550f614cc0d1bd249e0b562c8..fc625c1cdddd25437cfb8a184364f829913e1c0f 100644
--- a/webrtc/modules/video_coding/video_coding_impl.cc
+++ b/webrtc/modules/video_coding/video_coding_impl.cc
@@ -65,7 +65,7 @@ class EncodedImageCallbackWrapper : public EncodedImageCallback {
   }
 
  private:
-  rtc::scoped_ptr<CriticalSectionWrapper> cs_;
+  std::unique_ptr<CriticalSectionWrapper> cs_;
   EncodedImageCallback* callback_ GUARDED_BY(cs_);
 };
 
@@ -286,7 +286,7 @@ class VideoCodingModuleImpl : public VideoCodingModule {
   EncodedImageCallbackWrapper post_encode_callback_;
   vcm::VideoSender sender_;
   vcm::VideoReceiver receiver_;
-  rtc::scoped_ptr<EventFactory> own_event_factory_;
+  std::unique_ptr<EventFactory> own_event_factory_;
 };
 }  // namespace