cc: Force commit on the frame after a copy request

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index 0ce5d0e0cf526aa3885d15b1aba47b2cf9d0584c..c87f801e6ee20e8858ad8978daa70580e1a8941f 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -1067,6 +1067,14 @@ DrawResult LayerTreeHostImpl::CalculateRenderPasses(
   // trigger this DCHECK.
   DCHECK(!have_copy_request || draw_result == DRAW_SUCCESS);
 
+  // TODO(crbug.com/564832): This workaround to prevent creating unnecessarily
+  // persistent render passes. When a copy request is made, it may force a
+  // separate render pass for the layer, which will persist until a new commit
+  // removes it. Force a commit after copy requests, to remove extra render
+  // passes.
+  if (have_copy_request)
+    client_->SetNeedsCommitOnImplThread();
+
   return draw_result;
 }