Add EncodedImageCallback::OnEncodedImage().

webrtc/modules/video_coding/codecs/vp8/simulcast_encoder_adapter.h

Index: webrtc/modules/video_coding/codecs/vp8/simulcast_encoder_adapter.h
diff --git a/webrtc/modules/video_coding/codecs/vp8/simulcast_encoder_adapter.h b/webrtc/modules/video_coding/codecs/vp8/simulcast_encoder_adapter.h
index fca16df6fad4bd61b0f17f9b618076c8005308c1..be6aa59b6c6651a67c4193be40ba798a3ef86190 100644
--- a/webrtc/modules/video_coding/codecs/vp8/simulcast_encoder_adapter.h
+++ b/webrtc/modules/video_coding/codecs/vp8/simulcast_encoder_adapter.h
@@ -51,10 +51,11 @@ class SimulcastEncoderAdapter : public VP8Encoder {
   // Eventual handler for the contained encoders' EncodedImageCallbacks, but
   // called from an internal helper that also knows the correct stream
   // index.
-  int32_t Encoded(size_t stream_idx,
-                  const EncodedImage& encodedImage,
-                  const CodecSpecificInfo* codecSpecificInfo = NULL,
-                  const RTPFragmentationHeader* fragmentation = NULL);
+  EncodedImageCallback::Result OnEncodedImage(
+      size_t stream_idx,
+      const EncodedImage& encoded_image,
+      const CodecSpecificInfo* codec_specific_info,
+      const RTPFragmentationHeader* fragmentation);
 
   void OnDroppedFrame() override;