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/video_coder.h b/webrtc/modules/utility/source/video_coder.h
index 7e7762a..b1d8c7d 100644
--- a/webrtc/modules/utility/source/video_coder.h
+++ b/webrtc/modules/utility/source/video_coder.h
@@ -35,10 +35,10 @@
     WebRtc_Word32 SetDecodeCodec(VideoCodec& videoCodecInst,
                                  WebRtc_Word32 numberOfCores);
 
-    WebRtc_Word32 Decode(VideoFrame& decodedVideo,
+    WebRtc_Word32 Decode(I420VideoFrame& decodedVideo,
                          const EncodedVideoData& encodedData);
 
-    WebRtc_Word32 Encode(const VideoFrame& videoFrame,
+    WebRtc_Word32 Encode(const I420VideoFrame& videoFrame,
                          EncodedVideoData& videoEncodedData);
 
     WebRtc_Word8 DefaultPayloadType(const char* plName);
@@ -46,7 +46,7 @@
 private:
     // VCMReceiveCallback function.
     // Note: called by VideoCodingModule when decoding finished.
-    WebRtc_Word32 FrameToRender(VideoFrame& videoFrame);
+    WebRtc_Word32 FrameToRender(I420VideoFrame& videoFrame);
 
     // VCMPacketizationCallback function.
     // Note: called by VideoCodingModule when encoding finished.
@@ -61,7 +61,7 @@
         const RTPVideoHeader* rtpTypeHdr);
 
     VideoCodingModule* _vcm;
-    VideoFrame* _decodedVideo;
+    I420VideoFrame* _decodedVideo;
     EncodedVideoData* _videoEncodedData;
 };
 } // namespace webrtc