Deliver video frames on Android, on the decode thread.

webrtc/api/video_codecs/video_decoder.h

Index: webrtc/api/video_codecs/video_decoder.h
diff --git a/webrtc/api/video_codecs/video_decoder.h b/webrtc/api/video_codecs/video_decoder.h
index ea531e4c1a17872b193107315ca5aa64b3a6b176..3cc991b2ebe154cc68686d31e4d5cdd2fe80f4b5 100644
--- a/webrtc/api/video_codecs/video_decoder.h
+++ b/webrtc/api/video_codecs/video_decoder.h
@@ -69,6 +69,13 @@ class VideoDecoder {
                          const CodecSpecificInfo* codec_specific_info = NULL,
                          int64_t render_time_ms = -1) = 0;
 
+#if defined(WEBRTC_ANDROID)
+  // This is a temporary remedy while the Android capture implementation is
+  // being changed to deliver frames on the decoder thread without polling.
+  // See https://bugs.chromium.org/p/webrtc/issues/detail?id=7361
+  virtual void PollDecodedFrames() {}
+#endif
+
   virtual int32_t RegisterDecodeCompleteCallback(
       DecodedImageCallback* callback) = 0;