ObjC style fix for injectable video codecs

webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCEncodedImage.mm

 /*
  *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 33 matching lines @@
     _encodeFinishMs = encodedImage.timing_.encode_finish_ms;
     _frameType = (RTCFrameType)encodedImage._frameType;
     _rotation = encodedImage.rotation_;
     _completeFrame = encodedImage._completeFrame;
     _qp = encodedImage.qp_ == -1 ? nil : @(encodedImage.qp_);
   }
 
   return self;
 }
 
-- (webrtc::EncodedImage)toCpp {
+- (webrtc::EncodedImage)nativeEncodedImage {
   // Return the pointer without copying.
   webrtc::EncodedImage encodedImage(
       (uint8_t *)_buffer.bytes, (size_t)_buffer.length, (size_t)_buffer.length);
   encodedImage._encodedWidth = _encodedWidth;
   encodedImage._encodedHeight = _encodedHeight;
   encodedImage._timeStamp = _timeStamp;
   encodedImage.capture_time_ms_ = _captureTimeMs;
   encodedImage.ntp_time_ms_ = _ntpTimeMs;
   encodedImage.timing_.is_timing_frame = _isTimingFrame;
   encodedImage.timing_.encode_start_ms = _encodeStartMs;
   encodedImage.timing_.encode_finish_ms = _encodeFinishMs;
   encodedImage._frameType = webrtc::FrameType(_frameType);
   encodedImage.rotation_ = webrtc::VideoRotation(_rotation);
   encodedImage._completeFrame = _completeFrame;
   encodedImage.qp_ = _qp ? _qp.intValue : -1;
 
   return encodedImage;
 }
 
 @end