Replace scoped_ptr with unique_ptr in webrtc/media/

webrtc/media/engine/webrtcvideoframefactory.cc

Index: webrtc/media/engine/webrtcvideoframefactory.cc
diff --git a/webrtc/media/engine/webrtcvideoframefactory.cc b/webrtc/media/engine/webrtcvideoframefactory.cc
index d7f7b16a5635df28aa743e99fceee60f5ff914df..2c08c63129c6c28303a743d5122bf69d6e0f57d3 100644
--- a/webrtc/media/engine/webrtcvideoframefactory.cc
+++ b/webrtc/media/engine/webrtcvideoframefactory.cc
@@ -8,6 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include <memory>
+
 #include "webrtc/base/logging.h"
 #include "webrtc/media/engine/webrtcvideoframe.h"
 #include "webrtc/media/engine/webrtcvideoframefactory.h"
@@ -16,7 +18,7 @@ namespace cricket {
 
 VideoFrame* WebRtcVideoFrameFactory::CreateAliasedFrame(
     const CapturedFrame* aliased_frame, int width, int height) const {
-  rtc::scoped_ptr<WebRtcVideoFrame> frame(new WebRtcVideoFrame());
+  std::unique_ptr<WebRtcVideoFrame> frame(new WebRtcVideoFrame());
   if (!frame->Init(aliased_frame, width, height, apply_rotation_)) {
     LOG(LS_ERROR) <<
         "Failed to create WebRtcVideoFrame in CreateAliasedFrame.";