Add EncodedImageCallback::OnEncodedImage().

webrtc/modules/video_coding/codecs/test/videoprocessor.cc

Index: webrtc/modules/video_coding/codecs/test/videoprocessor.cc
diff --git a/webrtc/modules/video_coding/codecs/test/videoprocessor.cc b/webrtc/modules/video_coding/codecs/test/videoprocessor.cc
index e969fb7fb9f2d9260285023e4f3969b0bac2245b..7b0c8e397e3ef5310cd0ebf66eae4728e14e00ac 100644
--- a/webrtc/modules/video_coding/codecs/test/videoprocessor.cc
+++ b/webrtc/modules/video_coding/codecs/test/videoprocessor.cc
@@ -410,7 +410,8 @@ const char* VideoCodecTypeToStr(webrtc::VideoCodecType e) {
 }
 
 // Callbacks
-int32_t VideoProcessorImpl::VideoProcessorEncodeCompleteCallback::Encoded(
+EncodedImageCallback::Result
+VideoProcessorImpl::VideoProcessorEncodeCompleteCallback::OnEncodedImage(
     const EncodedImage& encoded_image,
     const webrtc::CodecSpecificInfo* codec_specific_info,
     const webrtc::RTPFragmentationHeader* fragmentation) {
@@ -419,7 +420,7 @@ int32_t VideoProcessorImpl::VideoProcessorEncodeCompleteCallback::Encoded(
   video_processor_->FrameEncoded(codec_specific_info->codecType,
                                  encoded_image,
                                  fragmentation);
-  return 0;
+  return Result(Result::OK, 0);
 }
 int32_t VideoProcessorImpl::VideoProcessorDecodeCompleteCallback::Decoded(
     VideoFrame& image) {