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 a105327d0635b16c4d2fdc937a2cb7a89c32fa91..25583cdaa6915b6a83a05907a1b577db6087b291 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -1985,4 +1985,10 @@ bool WebMediaPlayerImpl::IsHidden() const {
   return delegate_ && delegate_->IsHidden();
 }
 
+void WebMediaPlayerImpl::OnRemoteDisplayChanged(bool is_displayed_remotely) {
+  DCHECK(main_task_runner_->BelongsToCurrentThread());
+
+  client_->enableMonitorViewportIntersection(is_displayed_remotely);
+}
+
 }  // namespace media