Mark Layer Damaged When The Client Is Gone

cc/layers/video_frame_provider_client_impl.cc

Index: cc/layers/video_frame_provider_client_impl.cc
diff --git a/cc/layers/video_frame_provider_client_impl.cc b/cc/layers/video_frame_provider_client_impl.cc
index 751d32f83b29ee471b68dc2ba897464837f79fb0..35822333beb8a9966b6c58e3fe660d93626cc9b4 100644
--- a/cc/layers/video_frame_provider_client_impl.cc
+++ b/cc/layers/video_frame_provider_client_impl.cc
@@ -56,6 +56,7 @@ void VideoFrameProviderClientImpl::SetActiveVideoLayer(
 
 void VideoFrameProviderClientImpl::Stop() {
   DCHECK(thread_checker_.CalledOnValidThread());
+  active_video_layer_ = nullptr;
   // It's called when the main thread is blocked, so lock isn't needed.
   if (provider_) {
     provider_->SetVideoFrameProviderClient(nullptr);
@@ -63,7 +64,6 @@ void VideoFrameProviderClientImpl::Stop() {
   }
   if (rendering_)
     StopRendering();
-  active_video_layer_ = nullptr;
   stopped_ = true;
 }
 
@@ -127,6 +127,8 @@ void VideoFrameProviderClientImpl::StopRendering() {
   DCHECK(!stopped_);
   client_->RemoveVideoFrameController(this);
   rendering_ = false;
+  if (active_video_layer_)
+    active_video_layer_->SetNeedsRedraw();
 }
 
 void VideoFrameProviderClientImpl::DidReceiveFrame() {