Add VideoCodec::PreferDecodeLate

webrtc/modules/video_coding/receiver.cc

Index: webrtc/modules/video_coding/receiver.cc
diff --git a/webrtc/modules/video_coding/receiver.cc b/webrtc/modules/video_coding/receiver.cc
index 5314b307672eb50a9d1c3db85a916b766b53452f..efbb34402a6068961ec068f8f993c46b55e1f00d 100644
--- a/webrtc/modules/video_coding/receiver.cc
+++ b/webrtc/modules/video_coding/receiver.cc
@@ -94,9 +94,10 @@ void VCMReceiver::TriggerDecoderShutdown() {
   render_wait_event_->Set();
 }
 
-VCMEncodedFrame* VCMReceiver::FrameForDecoding(uint16_t max_wait_time_ms,
-                                               int64_t& next_render_time_ms,
-                                               bool render_timing) {
+VCMEncodedFrame* VCMReceiver::FrameForDecoding(
+    uint16_t max_wait_time_ms,
+    int64_t& next_render_time_ms,
+    bool prefer_decode_late) {
   const int64_t start_time_ms = clock_->TimeInMilliseconds();
   uint32_t frame_timestamp = 0;
   // Exhaust wait time to get a complete frame for decoding.
@@ -140,7 +141,7 @@ VCMEncodedFrame* VCMReceiver::FrameForDecoding(uint16_t max_wait_time_ms,
     return NULL;
   }
 
-  if (!render_timing) {
+  if (prefer_decode_late) {
     // Decode frame as close as possible to the render timestamp.
     const int32_t available_wait_time = max_wait_time_ms -
         static_cast<int32_t>(clock_->TimeInMilliseconds() - start_time_ms);