Garbage collect last CFWL_ classes.

Bug: pdfium:1563
Change-Id: Ib833f903d627b89ed14548629e03372671d095b7
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/75010
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/xfa/fxfa/cxfa_ffapp.cpp b/xfa/fxfa/cxfa_ffapp.cpp
index f924cc8..28b6a91 100644
--- a/xfa/fxfa/cxfa_ffapp.cpp
+++ b/xfa/fxfa/cxfa_ffapp.cpp
@@ -33,7 +33,7 @@
 
 bool CXFA_FFApp::LoadFWLTheme(CXFA_FFDoc* doc) {
   auto* fwl_theme = cppgc::MakeGarbageCollected<CXFA_FWLTheme>(
-      GetHeap()->GetAllocationHandle(), this);
+      GetHeap()->GetAllocationHandle(), GetHeap(), this);
   if (!fwl_theme->LoadCalendarFont(doc))
     return false;