Use base/scoped_ptr.h; system_wrappers/interface/scoped_ptr.h is going away

BUG=
R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/36229004

Cr-Commit-Position: refs/heads/master@{#8517}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8517 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/utility/source/file_player_impl.h b/webrtc/modules/utility/source/file_player_impl.h
index e1ba420..3093ce2 100644
--- a/webrtc/modules/utility/source/file_player_impl.h
+++ b/webrtc/modules/utility/source/file_player_impl.h
@@ -101,7 +101,7 @@
 private:
     int32_t SetUpVideoDecoder();
 
-    scoped_ptr<VideoCoder> video_decoder_;
+    rtc::scoped_ptr<VideoCoder> video_decoder_;
     VideoCodec video_codec_info_;
     int32_t _decodedVideoFrames;