Index: content/browser/renderer_host/render_widget_host_view_mac.mm |
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm |
index 5d40f918150b02c71fede895cce3323a81c5e8ea..f4131bfd3753b5215531f4cb5b5d014d5e653a27 100644 |
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm |
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm |
@@ -1160,6 +1160,8 @@ void RenderWidgetHostViewMac::AckPendingSwapBuffers() { |
if (pending_swap_buffers_acks_.front().first != 0) { |
AcceleratedSurfaceMsg_BufferPresented_Params ack_params; |
ack_params.sync_point = 0; |
+ if (compositing_iosurface_.get()) |
+ ack_params.renderer_id = compositing_iosurface_->GetRendererID(); |
RenderWidgetHostImpl::AcknowledgeBufferPresent( |
pending_swap_buffers_acks_.front().first, |
pending_swap_buffers_acks_.front().second, |