NOSUBMIT: Demonstrate accelerated layer painting problem in mus/mash

components/mus/public/cpp/lib/window.cc

Index: components/mus/public/cpp/lib/window.cc
diff --git a/components/mus/public/cpp/lib/window.cc b/components/mus/public/cpp/lib/window.cc
index 0fe9dbbebcb143ae1914a73ff6e1a6cf980788fc..33432ad03c4d30629e7d4d36f9cd64ecba84e529 100644
--- a/components/mus/public/cpp/lib/window.cc
+++ b/components/mus/public/cpp/lib/window.cc
@@ -505,7 +505,9 @@ Window::Window(WindowTreeConnection* connection, Id id)
       viewport_metrics_(CreateEmptyViewportMetrics()),
       visible_(false),
       cursor_id_(mojom::Cursor::CURSOR_NULL),
-      drawn_(false) {}
+      drawn_(false) {
+  LOG(ERROR) << "JAMES new mus::Window";
+}
 
 WindowTreeClientImpl* Window::tree_client() {
   return static_cast<WindowTreeClientImpl*>(connection_);