Use TaskQueue in IncomingVideoStream

webrtc/common_video/video_render_frames.h

Index: webrtc/common_video/video_render_frames.h
diff --git a/webrtc/common_video/video_render_frames.h b/webrtc/common_video/video_render_frames.h
index 38bc0e9e19c9d6d968756dfca8a0e02526f41008..c0b9043067eb3bcdca2727193203e50356c329dd 100644
--- a/webrtc/common_video/video_render_frames.h
+++ b/webrtc/common_video/video_render_frames.h
@@ -27,7 +27,7 @@ class VideoRenderFrames {
   VideoRenderFrames(const VideoRenderFrames&) = delete;
 
   // Add a frame to the render queue
-  int32_t AddFrame(const VideoFrame& new_frame);
+  int32_t AddFrame(VideoFrame&& new_frame);
 
   // Get a frame for rendering, or false if it's not time to render.
   rtc::Optional<VideoFrame> FrameToRender();
@@ -35,14 +35,9 @@ class VideoRenderFrames {
   // Returns the number of ms to next frame to render
   uint32_t TimeToNextFrameRelease();
 
- private:
-  // 10 seconds for 30 fps.
-  enum { KMaxNumberOfFrames = 300 };
-  // Don't render frames with timestamp older than 500ms from now.
-  enum { KOldRenderTimestampMS = 500 };
-  // Don't render frames with timestamp more than 10s into the future.
-  enum { KFutureRenderTimestampMS = 10000 };
+  bool HasPendingFrames() const;
 
+ private:
   // Sorted list with framed to be rendered, oldest first.
   std::list<VideoFrame> incoming_frames_;