Add native-handle support for single VP8 streams.

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

 /*
  *  Copyright (c) 2014 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 40 matching lines @@
   // 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);
 
   void OnDroppedFrame() override;
 
   int GetTargetFramerate() override;
+  bool SupportsNativeHandle() const override;
 
  private:
   struct StreamInfo {
     StreamInfo()
         : encoder(NULL),
           callback(NULL),
           width(0),
           height(0),
           key_frame_request(false),
           send_stream(true) {}
@@ skipping 40 matching lines @@
   rtc::scoped_ptr<Config> screensharing_extra_options_;
   VideoCodec codec_;
   std::vector<StreamInfo> streaminfos_;
   EncodedImageCallback* encoded_complete_callback_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_ENCODER_ADAPTER_H_