Switching to I420VideoFrame

Review URL: https://webrtc-codereview.appspot.com/922004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2983 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 9ae3838..c188e23 100644
--- a/webrtc/modules/utility/source/file_player_impl.h
+++ b/webrtc/modules/utility/source/file_player_impl.h
@@ -93,8 +93,8 @@
                                                 bool videoOnly);
     virtual WebRtc_Word32 StopPlayingFile();
     virtual WebRtc_Word32 video_codec_info(VideoCodec& videoCodec) const;
-    virtual WebRtc_Word32 GetVideoFromFile(VideoFrame& videoFrame);
-    virtual WebRtc_Word32 GetVideoFromFile(VideoFrame& videoFrame,
+    virtual WebRtc_Word32 GetVideoFromFile(I420VideoFrame& videoFrame);
+    virtual WebRtc_Word32 GetVideoFromFile(I420VideoFrame& videoFrame,
                                            const WebRtc_UWord32 outWidth,
                                            const WebRtc_UWord32 outHeight);