Detect change on video/viewport intersection when rendered remotely

media/blink/webmediaplayer_impl.cc

Index: media/blink/webmediaplayer_impl.cc
diff --git a/media/blink/webmediaplayer_impl.cc b/media/blink/webmediaplayer_impl.cc
index 03b11fb029fee3a10beeb932a0c0a33fb3d41955..7f2cefc01de04e1a6b05726085aaa504264c442a 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -1986,4 +1986,10 @@ bool WebMediaPlayerImpl::IsHidden() const {
   return delegate_ && delegate_->IsHidden();
 }
 
+void WebMediaPlayerImpl::ActivateViewportIntersectionMonitoring(bool activate) {
+  DCHECK(main_task_runner_->BelongsToCurrentThread());
+
+  client_->activateViewportIntersectionMonitoring(activate);
+}
+
 }  // namespace media